241-0435
1/4” Impact Driver
OPERATOR’S MANUAL
CAUTION:
To Reduce the Risk of Injury, User Must
Read and Understand the Operator’s Manual. Save These
Instructions For Future Reference.
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374 (M-F 8:30am-5:00pm EST).
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specifications ................................................. Page 7
Assembly ............................................................. Page 8
Operation ............................................................ Page 11
Maintenance .......................................................... Page 12
Troubleshooting ....................................................... Page 13
Warranty .............................................................Page 14
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
∿
Alternating current Type of current
�
Direct current Type or characteristic of current
n
o
No-load speed Rotational speed at no load
Class II construction Double insulated construction
.../min Per minute
Revolutions, strokes, surface speed
orbits, etc., per minute
Wear safety goggles
WARNING:
The operation of any
power tool can result in foreign objects
being thrown into your eyes, which can
result in severe eye damage. Before
beginning power tool operation, always
wear safety goggles or safety glasses
with side shields and a full-face shield
when needed. We recommend a Wide
Vision Safety Mask for use over eye-
glasses or standard safety glasses with
side shields. Always use eye protection
which is marked to comply with
ANSI Z87.1.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualified service technician.
Page 3
SAFETY INSTRUCTIONS
The purpose of safety symbols is to attract your attention to possible dangers. The safety
symbols, and the explanations with them, deserve your careful attention and understand-
ing. The symbol warnings do not, by themselves, eliminate any danger. The instructions and
warnings they give are no substitutes for proper accident prevention measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER”, “WARNING” and “CAUTION” before
using this tool. Failure to following all instructions listed below may result in electric
shock, fire, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided, will
result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE: (Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
Page 4
SAFETY INSTRUCTIONS
GENERAL POWER TOOL SAFETY
WARNINGS
WARNING:
Read all safety
warnings, instruction, illustrations and
specifications provided with this power
tool.
Failure to follow all instructions listed below
may result in electric shock, fire and/or seri-
ous injury.
Save all warnings and instructions for future
reference.
The term “power tool” in the warnings refers
to your mains-operated (corded) power tool
or battery-operated (cordless) power tool.
WORK AREA SAFETY
a) Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks which may ignite the
dust or fumes.
c) Keep children and bystanders away
while operating a power tool. Distractions
can cause you to lose control.
ELECTRICAL SAFETY
a) Power tool plugs must match the
outlet. Never modify the plug in any way.
Do not use any adapter plugs with earthed
(grounded) power tools. Unmodified plugs
and matching outlets will reduce risk of
electric shock.
b) Avoid body contact with earthed
or grounded surfaces, such as pipes,
radiators, ranges and refrigerators. There
is an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or
wet conditions. Water entering a power
tool will increase the risk of electric shock.
d) Do not abuse the cord. Never use the
cord for carrying, pulling or unplugging
the power tool. Keep cord away from
heat, oil, sharp edges or moving parts.
Damaged or entangled cords increase the
risk of electric shock.
e) When operating a power tool outdoors,
use an extension cord suitable for outdoor
use. Use of a cord suitable for outdoor use
reduces the risk of electric shock.
f) If operating a power tool in a damp
location is unavoidable, use a ground fault
circuit interrupter (GFCI) protected supply.
Use of an GFCI reduces the risk of electric
shock.
PERSONAL SAFETY
a) Stay alert, watch what you are doing
and use common sense when operating a
power tool. Do not use a power tool while
you are tired or under the influence of
drugs, alcohol or medication. A moment of
inattention while operating power tools may
result in serious personal injury.
b) Use personal protective equipment.
Always wear eye protection. Protective
equipment such as a dust mask, non-skid
safety shoes, hard hat or hearing protection
used for appropriate conditions will reduce
personal injuries.
c) Prevent unintentional starting. Ensure
the switch is in the off-position before
connecting to power source and/or battery
pack, picking up or carrying the tool.
Carrying power tools with your finger on the
switch or energizing power tools that have
the switch on invites accidents.
d) Remove any adjusting key or wrench
before turning the power tool on. A wrench
or a key left attached to a rotating part of
the power tool may result in personal injury.
e) Do not overreach. Keep proper
footing and balance at all times. This
enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose
clothing or jewelry. Keep your hair and
Page 5
SAFETY INSTRUCTIONS
clothing away from moving parts. Loose
clothes, jewelry or long hair can be caught
in moving parts.
g) If devices are provided for the
connection of dust extraction and
collection facilities, ensure these are
connected and properly used. Use of dust
collection can reduce dust-related hazards.
h) Do not let familiarity gained from
frequent use of tools allow you to become
complacent and ignore tool safety
principles. A careless action can cause
severe injury within a fraction of a second.
POWER TOOL USE AND CARE
a) Do not force the power tool. Use the
correct power tool for your application. The
correct power tool will do the job better and
safer at the rate for which it was designed.
b) Do not use the power tool if the switch
does not turn it on and off. Any power tool
that cannot be controlled with the switch is
dangerous and must be repaired.
c) Disconnect the plug from the power
source and/or remove the battery pack,
if detachable, from the power tool before
making any adjustments, changing
accessories, or storing power tools. Such
preventive safety measures reduce the risk
of starting the power tool accidentally.
d) Store idle power tools out of the reach
of children and do not allow persons
unfamiliar with the power tool or these
instructions to operate the power tool.
Power tools are dangerous in the hands of
untrained users.
e) Maintain power tools and accessories.
Check for misalignment or binding of
moving parts, breakage of parts and
any other condition that may affect the
power tool’s operation. If damaged, have
the power tool repaired before use. Many
accidents are caused by poorly maintained
power tools.
f) Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp
cutting edges are less likely to bind and are
easier to control.
g) Use the power tool, accessories
and tool bits etc. in accordance with
these instructions, taking into account
the working conditions and the work to
be performed. Use of the power tool for
operations different from those intended
could result in a hazardous situation.
h) Keep handles and grasping surfaces dry,
clean and free from oil and grease. Slippery
handles and grasping surfaces do not allow
for safe handling and control of the tool in
unexpected situations.
SERVICE
a) Have your power tool serviced by a
qualified repair person using only identical
replacement parts. This will ensure that the
safety of the power tool is maintained.
SPECIFIC SAFETY WARNINGS
a) Hold power tools by insulated gripping
surfaces when performing an operation
where the cutting tool may contact hidden
wiring. Contact with a” live” wire will make
exposed metal parts of the tool live and
shock the operator.
b) Take protective measures when
dust can develop during working that
is harmful to one’s health, combustible
or explosive. Example: Some dusts are
regarded as carcinogenic. Wear a dust
mask and work with dust/chip extraction
when connectable.
c) Secure the workpiece. A workpiece
clamped with clamping devices or in a vice
is held more secure than by hand.
d) To reduce the risk of electric shock or
damage to the charger and battery, use
only the batteries and charger listed.
Page 6
SAFETY INSTRUCTIONS
Battery pack Charger
252-8027
252-8029
252-8030
252-8031
252-8034
252-8035
252-8003
252-8005
252-8007
252-8025
252-8026
252-8037
WARNING:
Some dust created by
power sanding, sawing, grinding, drilling
and other construction activities contains
chemicals known to the state of California
to cause cancer, birth defects or other
reproductive harm. Some examples of
these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and cement
and other masonry products, and
• Arsenic and chromium from chemically-
treated lumber.
Your risk from these exposures varies,
depending on how often you do this type
of work. To reduce your exposure to these
chemicals: work in a well ventilated area,
and work with approved safety equipment,
such as those dust masks that are specially
designed to filter out microscopic particles.
Page 7
OVERVIEW
SPECIFICATIONS
No-load Speed I: 0-1,100 RPM
II: 0-1,900 RPM
III: 0-2,800 RPM
Impact Rate I: 0-1,200 BPM
II: 0-2,350 BPM
III: 0-3,300 BPM
Torque I: 770 in.lb
II: 1,240 in.lb
III: 1,700 in.lb
Driver 1/4” Hex
Weight 2 lb. 14 oz (1.3 kg)
LED Worklight Ring
Mode-selector
Trigger Switch
Chuck
Direction-of-rotation
Selector
Belt Clip
Page 8
ASSEMBLY
WARNING:
If any part is broken or
missing, DO NOT attach the battery pack
or operate the tool until the broken or
missing part is replaced. Failure to do so
could result in possible serious injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modification is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the battery pack
when you are assembling parts, making
adjustments, installing or removing
bits, cleaning, or when it is not in use.
Disconnecting the tool will prevent
accidental starting, which could cause
serious personal injury.
ASSEMBLY
CONTENTS
Cordless impact driver, bit holder, belt clip,bit
and instruction manual.
UNPACKING
1. Carefully remove the tool and any
accessories from the carton. Make sure
that all items listed in the packing list are
included.
2. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
3. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the blower.
TO ATTACH BATTERY PACK
(FIG. 1)
1. Make sure that the tool is switched off.
2. Align the raised rib on the battery pack
with the grooves on the bottom of the
impact driver, and then slide the battery
pack onto the tool.
NOTICE: Make sure that the latch on the
battery pack snaps into place and the bat-
tery pack is secured to the tool before op-
eration.
TO DETACH BATTERY PACK
(FIG. 1)
1. Make sure that the tool is switched off.
2. Depress the battery-release button
located on the front of the battery pack
to release the battery pack.
3. Pull the battery pack out and remove it
from the tool.
Attach
Battery-release
Button
Detach
FIG. 1
Page 9
TRIGGER SWITCH (FIG.2)
To turn the impact driver on, depress the
trigger switch.
To turn it off, release the trigger switch.
VARIABLE SPEED
The variable-speed trigger switch delivers
higher speed with increased trigger pressure
and lower speed with decreased trigger
pressure.
DIRECTION-OF-ROTATION SE-
LECTOR (FORWARD/CENTER-
LOCK/REVERSE) (FIG.3)
The direction of rotation is reversible and is
controlled by a selector located above the
trigger switch. With the impact driver held
in normal operating position: position the
direction-of-rotation selector to the left of
the tool for forward rotation; position the
direction-of-rotation selector to the right
of the tool for reverse rotation. Setting the
switch in the OFF (center-lock) position
helps to reduce the possibility of accidental
starting when not in use.
NOTICE: To prevent gear damage, always
allow the impact driver to come to a com-
plete stop before changing the direction of
rotation.
NOTICE: The impact driver will not run un-
less the direction of the rotation selector is
engaged fully to the left or right.
MODE SELECTOR (FIG.4)
NOTICE: The impact driver is designed
with 3-speed and auto-stop functions;
these functions are available only when the
tool is operating in forward rotation.
NOTICE: The mode can only be changed
when the mode-indicator light is on. The
mode-indicator light will be off automati-
cally in about one minute.
1. Attach the battery pack to the impact
driver.
ASSEMBLY
Direction-of-
rotation Selector
Trigger Switch
FIG. 2
Reverse
Forward
FIG. 3
L
AUTOSTOP
H
Mode Selector
Mode Indicator
Auto-stop
Indicator
FIG. 4
Page 10
ASSEMBLY
2. Position the direction-of-rotation
selector to the left of the tool for forward
rotation, and press the trigger switch to
turn on the mode-indicator light.
3. Press the mode selector to change the
speed: press once for low, press twice
for medium, and press a third time for
high.
4. To make the Auto-stop function
available, press and hold the mode
selector for three seconds: the auto-
stop indicator will shine. When a bolt/
nut is sufficiently tightened, the tool
will automatically stop the impact
and rotation after approximately one
second.
5. To turn off the auto-stop function, press
and hold the mode selector for three
seconds again. The auto-stop indicator
is will turn off.
ELECTRIC BRAKE
The impact driver is equipped with an
electric brake. When the trigger switch
is released, the electric brake engages
automatically to quickly stop the rotation.
LED WORKLIGHT RING (FIG.5)
The LED worklight rings, located around
the shaft of the impact driver, will illuminate
when the trigger switch is depressed. This
provides additional light on the surface of the
workpiece for operation in lower-light areas.
The light will automatically turn off within 10
seconds after the trigger is released.
INSTALLING THE BELT CLIP
(FIG.6)
1. Remove the battery from the tool.
2. Align the rib of the belt clip with the hole
on the base of the driver.
3. Insert the screw and securely tighten
the screw with a screwdriver.
REMOVING THE BELT CLIP
1. Remove the battery from the tool.
2. Use a screwdriver to loosen the screw
that attaches the belt clip to the driver.
3. Remove the screw and the belt clip.
FIG. 5
Belt Clip
FIG. 6
Page 11
OPERATION
TO INSTALL THE BIT HOLDER
(FIG.7):
1. Remove the battery from the tool.
2. Align the rib of the bit holder with the
hole in the base of the impact driver.
3. Insert the screw (included) and securely
tighten the screw with a screwdriver
(not included). The bit holder can be
positioned on either side of the tool.
To remove the bit holder:
1. Remove the battery from the tool.
2. Use a screwdriver to loosen the screw
that attaches the bit holder to the
impact driver.
3. Remove the screw and the bit holder.
INSTALLING BITS (FIG.8)
1. Lock the trigger switch on the impact
driver by placing the direction-of-
rotation selector in the center position.
2. Insert the bit into the chuck. You will
hear a “click” to indicate that the bit is
securely installed in place.
3. Pull on the bit to check if it installed
securely.
REMOVING BITS
1. Lock the trigger switch on the impact
driver by placing the direction-of-
rotation selector in the center position.
2. Pull the sleeve towards the front of the
tool.
3. The bit should pop out from the chuck
automatically, if not, simply pull out the
bit.
TIGHTENING AND LOOSENING
SCREWS
1. Install the correct bit.
2. Apply just enough pressure to keep the
bit engaged on the screw.
3. Apply minimal pressure to the trigger
switch initially. Increase the speed only
when full control can be maintained.
TIGHTENING AND LOOSENING
NUTS AND BOLTS
Variable speed control must be used with
caution for driving nuts and bolts with
socket set attachments. The best technique
is to start slowly, increasing speed as the
nut or bolt runs down. Set the nut or bolt
snugly by slowing the tool to a stop. If this
procedure is not followed, the tool will have
a tendency to torque or twist in your hands
when the nut or bolt seats.
Bit Holder
Screw
FIG. 7
Sleeve
FIG. 8
Page 12
WARNING:
Always wear safety
goggles or safety glasses with side shields
during power tool operations, or when
blowing dust. If operation is dusty, also
wear a dust mask.
WARNING:
Do not at any time allow
brake fluids, gasoline, petroleum-based
products, penetrating oils, etc. to come in
contact with plastic parts. Chemicals can
damage, weaken or destroy plastic, which
may result in serious personal injury.
MAINTENANCE
The tool may be cleaned most effectively
with compressed dry air. Always wear
safety goggles when cleaning tools with
compressed air.
Avoid using solvents when cleaning plastic
parts. Most plastics are susceptible to
damage from various types of commercial
solvents and may be damaged by their use.
Use a clean cloth to remove dirt, dust, oil,
grease, etc.
MAINTENANCE
BEFORE EACH USE
1. Check for damaged, missing, or worn
parts.
2. Check for loose screws, misalignment
or binding of moving parts, or any other
condition that may affect the operation.
3. If abnormal vibration or noise occurs,
turn the tool off immediately and have
the problem corrected before further
use.
Page 13
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The impact driver does
not work.
The battery pack is depleted. Charge the battery pack.
The battery pack or impact
driver is too hot.
Turn off the impact driver and
allow the impact driver and
battery pack to cool.
SAVE YOUR RECEIPTS
THIS WARRANTY IS VOID WITHOUT THEM
1/4” Impact Driver
WARRANTY
90-DAY MONEY BACK GUARANTEE:
This MASTERFORCE® brand power tool carries our 90-DAY Money Back
Guarantee. If you are not completely satisfied with your MASTERFORCE® brand
power tool for any reason within ninety (90) days from the date of purchase, return
the tool with your original receipt to any MENARDS® retail store, and we will provide
you a refund – no questions asked.
3-YEAR LIMITED WARRANTY:
This MASTERFORCE® brand power tool carries our famous No Hassle 3-Year Limited
Warranty to the original purchaser. If, during normal use, this MASTERFORCE® power
tool breaks or fails due to a defect in material or workmanship within three (3) years
from the date of original purchase, simply bring this tool with the original sales receipt
back to your nearest MENARDS® retail store. At its discretion, MASTERFORCE®
agrees to have the tool or any defective part(s) repaired or replaced with the same or
similar MASTERFORCE® product or part free of charge, within the stated warranty
period, when returned by the original purchaser with original sales receipt. Not
withstanding the foregoing, this limited warranty does not cover any damage that
has resulted from abuse or misuse of the Merchandise. This warranty: (1) excludes
expendable parts including but not limited to blades, brushes, belts, bits, light bulbs,
and/or batteries; (2) shall be void if this tool is used for commercial and/or rental
purposes; and (3) does not cover any losses, injuries to persons/property or costs. This
warranty does give you specific legal rights and you may have other rights, which vary
from state to state. Be careful, tools are dangerous if improperly used or maintained.
Seller’s employees are not qualified to advise you on the use of this Merchandise.
Any oral representation(s) made will not be binding on seller or its employees. The
rights under this limited warranty are to the original purchaser of the Merchandise
and may not be transferred to any subsequent owner. This limited warranty is in lieu
of all warranties, expressed or implied including warranties or merchantability and
fitness for a particular purpose. Seller shall not be liable for any special, incidental, or
consequential damages. The sole exclusive remedy against the seller will be for the
replacement of any defects as provided herein, as long as the seller is willing or able
to replace this product or is willing to refund the purchase price as provided above.
For insurance purposes, seller is not allowed to demonstrate any of these power tools
for you.
For questions / comments, technical assistance or repair parts –
Please call toll free: 1-866-917-4374 (M-F 8:30am – 5:00pm EST).
08/2018
© 2018 Menard, Inc., Eau Claire, WI 54703
241-0350
Brushless
Circular Saw
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374 (M-F 8:30am-5:00pm EST).
OPERATOR’S MANUAL
WARNING:
To Reduce The Risk Of Injury, User Must Read And
Understand Operator’s Manual. Save These Instructions For Future
Reference.
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specifications ................................................. Page 9
Assembly ............................................................ Page 10
Operation ............................................................ Page 11
Maintenance .......................................................... Page 18
Troubleshooting ....................................................... Page 19
Warranty .............................................................Page 22
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualified service technician.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
lbs
Pounds Weight
�
Direct current Type or characteristic of current
n
o
No-load speed Rotational speed at no load
.../min
Per minute Revolutions per minute (rpm)
To reduce the risk of injury, always wear
eye protection.
To reduce the risk of injury, user must
read instruction manual.
Wear safety goggles
Read instruction
manual
Page 3
The purpose of safety symbols is to attract your attention to possible dangers. The
safety symbols, and the explanations with them, deserve your careful attention and
understanding. The symbol warnings do not, by themselves, eliminate any danger. The
instructions and warnings they give are no substitutes for proper accident prevention
measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER”, “WARNING” and “CAUTION” before
using this tool. Failure to follow all instructions listed below may result in electric shock,
fire, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided,
could result in minor or moderate injury.
NOTICE:
(Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
SAFETY INSTRUCTIONS
Page 4
GERNERAL POWER TOOL SAFETY
WARNINGS
WARNING:
Read all safety
warnings , instructions, illustrations and
specifications provided with this power
tool. Failure to follow all instructions listed
below may result in electric shock, fire and/or
serious injury.
SAVE ALL WARNINGS AND INSTRUCTIONS
FOR FUTURE REFERENCE.
The term “power tool” in the warnings refers
to your mains-operated (corded) power tool
or battery-operated (cordless) power tool.
WORK AREA SAFETY
1. Keep work area clean and well lit.
Cluttered and dark areas invite accidents.
2. Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks which may ignite the
dust or fumes.
3. Keep children and bystanders away
while operating a power tool. Distractions
can cause you to lose control
ELECTRICAL SAFETY
1. Power tool plugs must match the
outlet. Never modify the plug in any way.
Do not use any adapter plugs with earthed
(grounded) power tools. Unmodified plugs
and matching outlets will reduce risk of
electric shock.
2. Avoid body contact with earthed
or grounded surfaces, such as pipes,
radiators, ranges and refrigerators. There
is an increased risk of electric shock if your
body is earthed or grounded.
3. Do not expose power tools to rain or
wet conditions. Water entering a power tool
will increase the risk of electric shock.
4. Do not abuse the cord. Never use the
cord for carrying, pulling or unplugging the
power tool. Keep cord away from heat, oil,
sharp edges or moving parts. Damaged or
entangled cords increase the risk of electric
shock.
5. When operating a power tool outdoors,
use an extension cord suitable for outdoor
use. Use of a cord suitable for outdoor use
reduces the risk of electric shock.
6. If operating a power tool in a damp
location is unavoidable, use a ground-fault
circuit interrupter (GFCI) protected supply.
Use of a GFCI reduces the risk of electric
shock.
PERSONAL SAFETY
1. Stay alert, watch what you are doing
and use common sense when operating a
power tool. Do not use a power tool while
you are tired or under the influence of
drugs, alcohol or medication. A moment of
inattention while operating power tools may
result in serious personal injury.
2. Use personal protective equipment.
Always wear eye protection. Protective
equipment such as a dust mask, non-skid
safety shoes, hard hat or hearing protection
used for appropriate conditions will reduce
personal injuries.
3. Prevent unintentional starting. Ensure
the switch is in the off-position before
connecting to power source and/or battery
pack, picking up or carrying the tool.
Carrying power tools with your finger on the
switch or energising power tools that have
the switch on invites accidents.
4. Remove any adjusting key or wrench
before turning the power tool on. A wrench
or a key left attached to a rotating part of the
power tool may result in personal injury.
5. Do not overreach. Keep proper footing
and balance at all times. This enables better
control of the power tool in unexpected
situations.
6. Dress properly. Do not wear loose
clothing or jewellery. Keep your hair and
clothing away from moving parts. Loose
clothes, jewellery or long hair can be caught
in moving parts.
7. If devices are provided for the
connection of dust extraction and
collection facilities, ensure these are
connected and properly used. Use of dust
collection can reduce dust-related hazards.
SAFETY INSTRUCTIONS
Page 5
SAFETY INSTRUCTIONS
8. Do not let familiarity gained from
frequent use of tools allow you to become
complacent and ignore tool safety
principles. A careless action can cause
severe injury within a fraction of a second.
POWER TOOL USE AND CARE
1. Do not force the power tool. Use the
correct power tool for your application. The
correct power tool will do the job better and
safer at the rate for which it was designed.
2. Do not use the power tool if the switch
does not turn it on and off. Any power tool
that cannot be controlled with the switch is
dangerous and must be repaired.
3. Disconnect the plug from the power
source and/or remove the battery pack ,
if detachable, from the power tool before
making any adjustments, changing
accessories, or storing power tools. Such
preventive safety measures reduce the risk
of starting the power tool accidentally.
4. Store idle power tools out of the reach of
children and do not allow persons unfamiliar
with the power tool or these instructions
to operate the power tool. Power tools are
dangerous in the hands of untrained users.
5. Maintain power tools and accessories.
Check for misalignment or binding of
moving parts, breakage of parts and
any other condition that may affect the
power tool’s operation. If damaged, have
the power tool repaired before use. Many
accidents are caused by poorly maintained
power tools.
6. Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp
cutting edges are less likely to bind and are
easier to control.
7. Use the power tool, accessories
and tool bits, etc. in accordance with
these instructions, taking into account
the working conditions and the work to
be performed. Use of the power tool for
operations different from those intended
could result in a hazardous situation.
8. Keep handles and grasping surfaces dry,
clean and free from oil and grease. Slippery
handles and grasping surfaces do not allow
for safe handling and control of the tool in
unexpected situations.
BATTERY TOOL USE AND CARE
1. Recharge only with the charger
specified by the manufacturer. A charger
that is suitable for one type of battery pack
may create a risk of fire when used with
another battery pack.
2. Use power tools only with specifically
designated battery packs. Use of any other
battery packs may create a risk of injury and
fire.
3. When battery pack is not in use, keep
it away from other metal objects, like
paper clips, coins, keys, nails, screws or
other small metal objects, that can make
a connection from one terminal to another.
Shorting the battery terminals together may
cause burns or a fire.
4. Under abusive conditions, liquid may
be ejected from the battery; avoid contact.
If contact accidentally occurs, flush with
water. If liquid contacts eyes, additionally
seek medical help. Liquid ejected from the
battery may cause irritation or burns.
5. Do not use a battery pack or tool that
is damaged or modified. Damaged or
modified batteries may exhibit unpredictable
behaviour resulting in fire, explosion or risk
of injury.
6. Do not expose a battery pack or tool
to fire or excessive temperature. Exposure
to fire or temperature above 100 °C (212 °F)
may cause explosion.
7. Follow all charging instructions and
do not charge the battery pack or tool
outside the temperature range specified
in the instructions. Charging improperly or
at temperatures outside the specified range
may damage the battery and increase the
risk of fire.
SERVICE
1. Have your power tool serviced by a
qualified repair person using only identical
replacement parts. This will ensure that the
safety of the power tool is maintained.
2. Never service damaged battery packs.
Service of battery packs should only
be performed by the manufacturer or
authorized service providers.
Page 6
SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS FOR ALL
SAWS
CUTTING PROCEDURES
DANGER:
Keep hands away from
cutting area and the blade. Keep your
second hand on auxiliary handle, or motor
housing. If both hands are holding the saw,
they cannot be cut by the blade.
1. Do not reach underneath the workpiece.
The guard cannot protect you from the blade
below the workpiece.
2. Adjust the cutting depth to the
thickness of the workpiece. Less than a
full tooth of the blade teeth should be visible
below the workpiece.
3. Never hold the workpiece in your hands
or across your leg while cutting. Secure
the workpiece to a stable platform. It is
important to support the work properly to
minimize body exposure, blade binding, or
loss of control.
4. Hold the power tool by insulated gripping
surfaces, when performing an operation
where the cutting tool may contact hidden
wiring or its own cord. Contact with a “live”
wire will also make exposed metal parts of
the power tool “live” and could give the
operator an electric shock.
5. When ripping, always use a rip fence
or straight edge guide. This improves the
accuracy of cut and reduces the chance of
blade binding.
6. Always use blades with correct size
and shape (diamond versus round) of
arbor holes. Blades that do not match the
mounting hardware of the saw will run off-
center, causing loss of control.
7. Never use damaged or incorrect blade
washers or bolt. The blade washers and
bolt were specially designed for your saw,
for optimum performance and safety of
operation.
KICKBACK CAUSES AND
RELATED WARNINGS
Kickback is a sudden reaction to a pinched,
jammed or misaligned saw blade, causing
an uncontrolled saw to lift up and out of the
workpiece toward the operator.
When the blade is pinched or jammed
tightly by the kerf closing down, the blade
stalls and the motor reaction drives the unit
rapidly back toward the operator.
If the blade becomes twisted or misaligned
in the cut, the teeth at the back edge of the
blade can dig into the top surface of the
wood causing the blade to climb out of the
kerf and jump back toward the operator.
Kickback is the result of saw misuse and/
or incorrect operating procedures or
conditions and can be avoided by taking
proper precautions as given below:
1. Maintain a firm grip with both hands
on the saw and position your arms to
resist kickback forces. Position your body
to either side of the blade, but not in line
with the blade. Kickback could cause the
saw to jump backwards, but kickback forces
can be controlled by the operator, if proper
precautions are taken.
2. When blade is binding, or when
interrupting a cut for any reason, release the
trigger and hold the saw motionless in the
material until the blade comes to a complete
stop. Never attempt to remove the saw from
the work or pull the saw backward while the
blade is in motion or kickback may occur.
Investigate and take corrective actions to
eliminate the cause of blade binding.
3. When restarting a saw in the workpiece,
centre the saw blade in the kerf so that
the saw teeth are not engaged into the
material. If saw blade binds, it may walk up
or kickback from the workpiece as the saw is
restarted.
4. Support large panels to minimise the
risk of blade pinching and kickback. Large
panels tend to sag under their own weight.
Supports must be placed under the panel on
both sides, near the line of cut and near the
edge of the panel.
5. Do not use dull or damaged blades.
Unsharpened or improperly set blades
produce narrow kerf causing excessive
friction, blade binding and kickback.
6. Blade depth and bevel adjusting
locking levers must be tight and secure
before making the cut. If blade adjustment
shifts while cutting, it may cause binding
and kickback.
7. Use extra caution when sawing into
existing walls or other blind areas. The
protruding blade may cut objects that can
cause kickback.
Page 7
SAFETY INSTRUCTIONS
LOWER GUARD FUNCTION
1. Check lower guard for proper closing
before each use. Do not operate the saw
if lower guard does not move freely and
close instantly. Never clamp or tie the
lower guard into the open position. If the
saw is accidentally dropped, the lower guard
may be bent. Raise the lower guard with the
retracting handle and make sure it moves
freely and does not touch the blade or any
other part, in all angles and depths of cut.
2. Check the operation of the lower guard
spring. If the guard and the spring are not
operating properly, they must be serviced
before use. Lower guard may operate
sluggishly due to damaged parts, gummy
deposits, or a build-up of debris.
3. The lower guard may be retracted
manually only for special cuts such as
“plunge cuts” and “compound cuts”.
Raise the lower guard by the retracting
handle and as soon as the blade enters the
material, the lower guard must be released.
For all other sawing, the lower guard should
operate automatically.
4. Always observe that the lower guard is
covering the blade before placing saw down
on bench or floor. An unprotected, coasting
blade will cause the saw to walk backwards,
cutting whatever is in its path. Be aware of
the time it takes for the blade to stop after
switch is released.
DANGER:
People with electronic
devices, such as pacemakers, should
consult their physician(s) before using this
product. Operation of electrical equipment
in close proximity to a heart pacemaker
could cause interference or failure of the
pacemaker.
ADDITIONAL SAFETY RULES
FOR CIRCULAR SAWS
1. To reduce the risk of electric shock
or damage to the chargers and batteries,
use only with the MASTERFORCE
®
battery
packs and chargers listed.
Battery pack Charger
252-8027
252-8029
252-8030
252-8031
252-8034
252-8035
252-8003
252-8005
252-8007
252-8025
252-8026
252-8037
2. Wear personal protective equipments.
Depending on application, use dust mask,
safety goggles or safety glasses for eye
protection. Wear hearing protectors, gloves
and workshop apron capable of stopping
small metal chips or workpiece fragments.
The eye protection must be capable of
stopping flying debris generated by various
operations. The gloves, workshop apron and
clothing must be fire resistant. Prolonged
exposure to high intensity noise may cause
hearing loss. Using protective equipments
will reduce the risk of personal injuries.
3. Do not handle workpiece without
wearing gloves. The sharp edge of
workpiece may cause a laceration hazard.
4. Ensure the switch is in the off position
before inserting battery pack. Inserting the
battery pack into power tools that have the
switch on invites accidents.
5. Do not use dull blade. Additional sparks
generated by using dull blade increase the
risk of a fire hazard.
6. Do not use with any abrasive wheels,
just only use with 7-1/4” wood blade.
7. Do not use cutting oil. The use of cutting
oil may cause a fire.
8. Do not use tool near flammable
material.
9. This circular saw should not be
mounted to a table and converted to a
table saw. Circular saws are not designed
or intended to be used as table saws.
10. The blade washers and the bolt on
your saw have been designed to work
as a clutch to reduce the intensity of a
kickback. Understand the operation and
settings of the VARI-TORQUE CLUTCH. The
proper setting of the clutch, combined with
firm handling of the saw will allow you to
control kickback.
11. Do not run the tool while carrying it
at your side. Lower guard may be opened
by a contact with your clothing. Accidental
Page 8
SAFETY INSTRUCTIONS
contact with the spinning saw blade could
result in serious personal injury.
12. Periodically remove the blade, clean
the upper, lower guards and the hub area.
Wipe it dry, or blow it clean with compressed
air. Preventive maintenance and properly
operating guard will reduce the probability
of an accident.
13. Do not use the saw with an excessive
depth of cut setting. Too much blade
exposure increases the likelihood of the
blade twisting in the kerf and increases
the surface area of the blade available for
pinching that leads to kickback.
WARNING:
Some dust created by
power sanding, sawing, grinding, drilling
and other construction activities contains
chemicals known to the state of California
to cause cancer, birth defects or other
reproductive harm. Some examples of
these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and
cement and other masonry products,
and
• Arsenic and chromium from chemically-
treated lumber.
Your risk from these exposures varies,
depending on how often you do this type
of work. To reduce your exposure to these
chemicals: work in a well ventilated area,
and work with approved safety equipment,
such as those dust masks that are specially
designed to filter out microscopic particles.
Page 9
OVERVIEW
Lock-Off Button
Hook
Bevel Angle Scale
Bevel-Adjustment
Lever
45° Stop
Depth Scale
Depth-
Adjustment Lever
On/Off Trigger Switch
Upper Blade Guard
Lower Blade-
Guard Lever
Lower Blade Guard
Blade Wrench
Spindle-Lock Button
LED Worklight
Edge-Guide Locking Knob
SPECIFICATIONS
No-load speed 4,800/min
Blade Diameter 7-1/4” (18.5 cm)
Blade Arbor 5/8” (16 mm)
Cutting Depth at 90° 2-7/16”
Cutting Depth at 45° 1-13/16”
Bevel range 0-56°
Tool weight (without battery) 7 lb. 13 oz. (3.56 kg)
Auxiliary Handle
Main Handle
Page 10
WARNING:
If any part is broken
or missing, DO NOT attempt to install the
battery or operate the tool until the broken
or missing part is replaced. Failure to do
so could result in possible serious injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modification is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the power source
(battery) when you are assembling
parts, making adjustments, installing or
removing blades, cleaning, or when it is
not in use. Disconnecting the tool will
prevent accidental starting, which could
cause serious personal injury.
CONTENTS
Cordless circular saw, blade, blade wrench
(attached on the tool), instruction manual.
UNPACKING
1. Carefully remove the tool and any
accessories from the carton. Make sure
that all items listed in the packing list are
included.
2. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
3. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the tool.
ASSEMBLY
Page 11
TO ATTACH BATTERY
PACK (FIG. 1)
1. Make sure that the tool is turned off.
2. Align the raised rib on the battery pack
with the grooves on the bottom of the
saw, and then slide the battery pack
onto the tool.
NOTICE: Make sure that the latch on the
battery pack snaps into place and the
battery pack is secured to the tool before
operation.
TO DETACH BATTERY
PACK (FIG. 1)
1. Make sure that the tool is turned off.
2. Depress the battery-release button
located on the front of the battery pack
to release the battery pack.
3. Pull the battery pack out and remove it
from the tool.
FIG. 1
Detach
Attach
Battery-
Release Button
INSTALLING THE SAW BLADE
(FIG. 2)
FIG. 2
Inner Flange
Outer Flange
Saw Blade
Blade
Bolt
1. Remove the battery pack from the tool.
2. Depress and hold the spindle-lock
button.
3. Loosen the blade bolt by turning it
counterclockwise with the blade wrench
(included).
4. Remove the blade bolt and outer flange.
5. Use the lower blade-guard lever to
retract the lower blade guard into the
upper blade guard.
6. Fit the saw blade inside the lower blade
guard and onto the spindle. Verify that
the saw teeth, the arrow on the saw
blade and the blade-rotation indicator
arrow on the blade guard are all pointing
in the same direction.
7. Replace the outer blade flange with the
protuberance facing outward.
8. Depress and hold the spindle-lock
button, and replace the blade bolt.
9. Tighten the blade bolt securely by
turning it clockwise with the blade
wrench.
NOTICE: Never use a blade that is too
thick to allow the outer blade flange to
engage with the flat section of the spindle.
WARNING:
Remove the battery
pack from tool before making any
assembly, adjustments or changing
accessories. Such preventive safety
measures reduce the risk of starting the
tool accidentally.
OPERATION
Page 12
OPERATION
WARNING:
For all work and
when changing the blade, always wear
protective gloves. The sharp edges of the
blade will cause personal injury. The blade
can become very hot while working.
REMOVING THE SAW
BLADE (FIG. 2)
1. Remove the battery pack from the tool.
2. Depress and hold the spindle-lock
button.
3. Loosen the blade bolt by turning
it counterclockwise with the blade
wrench.
4. Remove the blade bolt and outer blade
flange.
5. Lift the lower blade guard and then
remove the blade.
ADJUSTING THE CUTTING
DEPTH (FIG. 3)
FIG. 3
Depth Scale
Depth-adjustment Lever
1. Remove the battery pack from the tool.
2. Raise the depth-adjustment lever to
release it.
3. Hold the base shoe against the
workpiece and raise or lower the saw
until the indicator mark on the saw
aligns with the desired depth on the
depth scale.
4. Lower the depth-adjustment lever to
lock it into position.
ADJUSTING THE CUTTING
ANGLE (FIG. 4)
FIG. 4
Bevel Angle
Scale
Bevel-adjustment
Lever
The saw is equipped with a 45° stop to
quickly set up for 45° bevels. To set a 45-56°
bevel, raise the stop.
1. Remove the battery pack from the tool.
2. Loosen the bevel-adjustment lever,
located on the 0°-56° bevel scale.
3. Tilt the body of the saw until the indicator
mark on the saw aligns with the required
angle on the bevel angle scale.
4. Tighten the bevel-adjustment lever to
secure the saw.
0° BEVEL STOP
The saw has a 0° bevel stop that has been
adjusted before shipment to assure that the
blade is vertical to the base at the 0° bevel
setting.
Page 13
OPERATION
LED WORKLIGHT (FIG. 7)
The circular saw is equipped with a LED
worklight, which will illuminate when the
trigger switch is depressed. This provides
additional light on the surface of the
workpiece for operation in lower-light areas.
The light will stay on for 10 seconds after the
trigger has been released.
NOTICE: In the event that the saw
becomes overloaded or overheated,
the saw will stop and the LED will blink.
Remove the saw from the workpiece,
allow it cool, and then resume work.
FIG. 7
LED
Worklight
HOOK (FIG. 8)
Your tool is equipped with a convenient hook
for hanging your tool. To use, simply lift up
hook until it snaps into the open position.
When not in use for hanging, always lower
hook until it snaps into the closed position.
TO CHECK 0° BEVEL
STOP (FIG. 5)
1. Remove the battery pack from the tool.
2. Using a square ruler (available
separately), check the squareness of
the saw blade to the base of the saw.
FIG. 5
Square Ruler
Saw Blade
Base
TO ADJUST 0° BEVEL
STOP (FIG. 6)
1. Remove the battery pack from the tool.
2. Loosen the bevel-adjustment knob.
3. Use a hex wrench (available separately)
to turn the adjusting screw until the
base is square with the saw blade.
FIG. 6
Adjusting
Screw
Page 14
FIG. 8
Hook
TURNING THE SAW
ON AND OFF (FIG. 9)
1. To turn the saw ON, press the lock-off
button, and then squeeze the trigger
switch.
2. To turn the saw OFF, release the trigger
switch and allow the blade to come to a
complete stop.
WARNING:
The blade should
reach full speed before it comes into
contact with the workpiece.
FIG. 9
Lock-off
Button
Trigger
Switch
ELECTRIC BRAKE
The circular saw is equipped with an electric
brake. When the trigger switch is released,
the electric brake engages automatically to
quickly stop the blade rotation.
CUTTING WITH THE CIRCULAR
SAW (FIG. 10A, 10B & 10C)
To make the safest and best possible cut,
follow these helpful hints:
• Hold the saw firmly with both hands.
• Avoid placing your hand on the
workpiece while making a cut (FIG. 10A).
• Support the workpiece so that the cut
is always to the operator’s side and not
directly in line with the operator’s body.
• Support the workpiece near the cut.
• Clamp the workpiece securely so that
the workpiece will not move during the
cut (FIG. 10B).
• Always place the saw on the portion of
the workpiece that is supported, and
not on the “cut off” piece (FIG. 10C).
• Place the workpiece with the “good”
side down.
• Draw a guideline along the desired
cutting line before beginning the cut.
NOTICE:
• The “good” side of the workpiece
is the side where appearance is
important.
• Position your body to left side of the
blade to operate the circular saw.
FIG. 10A
OPERATION
Page 15
OPERATION
FIG. 10B
FIG. 10C
CROSS-CUTTING/RIP
CUTTING (FIG. 11)
When making a cross-cut or a rip cut, align
the guideline with the 0° indicator on the
base shoe. Blade thicknesses vary, so you
should always make a trial cut in scrap
material along a guideline to determine how
much the guideline must be offset from the
indicator to produce an accurate cut.
NOTICE: Use a guide when making long or
wide rip cuts.
FIG. 11
0° Indicator
Line of Cut
RIP CUTTING USING A STRAIGHT
EDGE (FIG. 12)
1. Secure the workpiece.
2. Clamp a straight edge to the workpiece
using C-clamps (available separately).
3. Press the lock-off button and depress
the trigger switch to start the saw.
4. Allow the blade to reach full speed, then
guide the saw into the workpiece and
make the cut.
5. Saw along the straight edge to achieve
a straight rip cut.
6. Release the trigger switch and allow the
blade to come to a complete stop.
7. Lift the saw from the workpiece.
WARNING:
Position the C-clamps
so that they will not interfere with the saw
housing during the cut.
WARNING:
Do not bind the blade
in the cut.
Page 16
FIG. 12
BEVEL CUTTING (FIG. 13)
1. Remove the battery pack from the tool.
2. Adjust the angle of cut to any desired
setting, between 0° and 56,° according
to the section “ADJUSTING THE
CUTTING ANGLE”.
3. Replace the battery pack.
4. Align the cutting line with the 45° blade-
guide notch on the base shoe when
making 45° bevel cuts.
5. Make a trial cut in scrap material along
a guideline to determine the amount to
offset the notch on the cutting material.
6. Hold the saw firmly with both hands.
7. Rest the front edge of the base shoe
on the workpiece without touching the
blade to the workpiece.
8. Start the saw and allow the blade to
reach full speed.
9. Guide the saw into the workpiece, and
make the cut.
10. Release the trigger switch and allow the
blade to come to a complete stop.
11. Lift the saw from the workpiece.
WARNING:
Attempting a bevel cut
without having the bevel-locking knob
securely locked in place can result in
serious injury.
FIG. 13A
45° Indicator
45° Indicator
Line of Cut
FIG. 13B
POCKET CUTTING (FIG. 14)
1. Remove the battery pack from the tool.
2. Adjust the bevel setting to 0° and tighten
the bevel locking knob.
3. Set the blade to the correct blade
cutting depth.
4. Replace the battery pack.
5. Use the blade-guard lever to swing the
lower blade guard up.
6. Hold the lower blade guard in place with
the blade-guard lever.
7. Rest the front of the base shoe against
the workpiece, with the rear of the base
shoe raised, making sure that the blade
does not touch the workpiece.
8. Press the lock-off button and depress
the trigger switch to start the saw.
9. Allow the blade to reach full speed,
then lower the saw into the material and
guide the saw into the workpiece and
make the cut.
OPERATION
Page 17
OPERATION
10. Release the trigger switch and allow the
blade to come to a complete stop.
11. Lift the saw from the workpiece.
WARNING:
Always adjust the
bevel setting to 0° before making a pocket
cut. Attempting a pocket cut at any other
setting can result in loss of control of the
saw and possible serious injury.
WARNING:
Always cut in a forward
direction when pocket cutting. Cutting in
the reverse direction could cause the saw
to climb up on the workpiece and kick
back toward the operator.
FIG. 14
Bevel-
adjustment
Lever
Lower Blade-
guard Lever
Page 18
MAINTENANCE
WARNING:
Always wear safety
goggles or safety glasses with side
shields during power tool operations, or
when blowing dust. If operation is dusty,
also wear a dust mask.
WARNING:
Do not at any time let
brake fluids, gasoline, petroleum-based
products, penetrating oils, etc. come in
contact with plastic parts. Chemicals can
damage, weaken or destroy plastic, which
may result in serious personal injury.
MAINTENANCE
The tool may be cleaned most effectively
with compressed dry air. Always wear
safety goggles when cleaning tools with
compressed air.
Avoid using solvents when cleaning plastic
parts. Most plastics are susceptible to
damage from various types of commercial
solvents and may be damaged by their use.
Use a clean cloth to remove dirt, dust, oil,
grease, etc.
BEFORE EACH USE
1. Inspect the circular saw, the on/off
switch and the accessories for damage.
2. Check for damaged, missing, or worn
parts.
3. Check for loose screws, misalignment
or binding of moving parts, or any other
condition that may affect the operation.
4. If abnormal vibration or noise occurs,
turn the tool off immediately and have
the problem corrected before further
use.
5. Detach the battery from the saw before
cleaning or performing any maintenance.
Using compressed air may be the most
effective cleaning method. Always wear
safety goggles when cleaning tools
using compressed air.
LUBRICATION
All of the bearings in this tool are lubricated
with a sufficient amount of high grade
lubricant for the life of the unit under normal
conditions. Therefore, no further lubrication
is required.
Page 19
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The saw does not work. The battery is depleted. Charge the battery.
The saw does not work and the
tool LED worklight flashes.
The tool is overheated. Allow the tool to cool down.
The saw does not work and
two battery pack LED lights
alternately flash.
The battery is
overheated.
Allow the battery to cool down.
The saw does not work and the
battery pack LED lights flash.
The battery is in
overloaded protection.
Do not force the cut.
Cutting is difficult. Saw blade is worn out. Replace the saw blade.
Page 20
NOTES
Page 21
NOTES
Page 22
SAVE YOUR RECEIPTS
THIS WARRANTY IS VOID WITHOUT THEM
Brushless Circular Saw
WARRANTY
90-DAY MONEY BACK GUARANTEE:
This MASTERFORCE
®
brand power tool carries our 90-DAY Money Back
Guarantee. If you are not completely satisfied with your MASTERFORCE
®
brand
power tool for any reason within ninety (90) days from the date of purchase, return
the tool with your original receipt to any MENARDS
®
retail store, and we will provide
you a refund – no questions asked.
3-YEAR LIMITED WARRANTY:
This MASTERFORCE
®
brand power tool carries our famous No Hassle 3-Year
Limited Warranty to the original purchaser. If, during normal use, this
MASTERFORCE
®
power tool breaks or fails due to a defect in material or
workmanship within three (3) years from the date of original purchase, simply bring
this tool with the original sales receipt back to your nearest MENARDS
®
retail store.
At its discretion, MASTERFORCE
®
agrees to have the tool or any defective part(s)
repaired or replaced with the same or similar MASTERFORCE
®
product or part
free of charge, within the stated warranty period, when returned by the original
purchaser with original sales receipt. Not withstanding the foregoing, this limited
warranty does not cover any damage that has resulted from abuse or misuse of
the Merchandise. This warranty: (1) excludes expendable parts including but not
limited to blades, brushes, belts, bits, light bulbs, and/or batteries; (2) shall be void
if this tool is used for commercial and/or rental purposes; and (3) does not cover any
losses, injuries to persons/property or costs. This warranty does give you specific
legal rights and you may have other rights, which vary from state to state. Be
careful, tools are dangerous if improperly used or maintained. Seller’s employees
are not qualified to advise you on the use of this Merchandise. Any oral
representation(s) made will not be binding on seller or its employees. The rights
under this limited warranty are to the original purchaser of the Merchandise and
may not be transferred to any subsequent owner. This limited warranty is in lieu of all
warranties, expressed or implied including warranties or merchantability and fitness
for a particular purpose. Seller shall not be liable for any special, incidental, or
consequential damages. The sole exclusive remedy against the seller will be for the
replacement of any defects as provided herein, as long as the seller is willing or able
to replace this product or is willing to refund the purchase price as provided above.
For insurance purposes, seller is not allowed to demonstrate any of these power
tools for you.
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374 (M-F 8:30am-5:00pm EST).
12/2020
© 2020 Menard, Inc., Eau Claire, WI 54703
241-0352
BRUSHLESS
RECIPROCATING SAW
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374 (M-F 8:30am-5:00pm EST).
OPERATOR’S MANUAL
CAUTION:
To Reduce The Risk Of Injury, User Must Read And
Understand Operator’s Manual. Save These Instructions For Future
Reference.
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specications ................................................. Page 7
Assembly ............................................................. Page 8
Operation ............................................................. Page 9
Maintenance .......................................................... Page 14
Troubleshooting ....................................................... Page 15
Warranty ............................................................. Page 18
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualified service technician.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
lbs Pounds Weight
�
Direct current Type or characteristic of current
n
o
No-load speed Rotational speed at no load
SPM
Strokes per Minute Unit of speed
.../min
Per minute
Revolutions, strokes, surface speed
orbits, etc., per minute
To reduce the risk of injury, user must
read instruction manual.
Read instruction
manual
Page 3
The purpose of safety symbols is to attract your attention to possible dangers. The
safety symbols, and the explanations with them, deserve your careful attention and
understanding. The symbol warnings do not, by themselves, eliminate any danger. The
instructions and warnings they give are no substitutes for proper accident prevention
measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER,” “WARNING,” and “CAUTION”
before using this tool. Failure to follow all instructions listed below may result in electric
shock, fire, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided,
could result in minor or moderate injury.
NOTICE:
(Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
SAFETY INSTRUCTIONS
Page 4
GENERAL POWER TOOL SAFETY
WARNINGS
WARNING:
Read all safety warnings,
instructions, illustrations and specifications
provided with this power tool. Failure to
follow all instructions listed below may
result in electric shock, re and/or serious
injury.
Save all warnings and instructions for
future reference.
The term “power tool” in the warnings refers
to your mains-operated (corded) power tool
or battery-operated (cordless) power tool.
WORK AREA SAFETY
1. Keep work area clean and well lit.
Cluttered and dark areas invite accidents.
2. Do not operate power tools in explosive
atmospheres, such as in the presence
of flammable liquids, gases or dust.
Power tools create sparks which may
ignite the dust or fumes.
3. Keep children and bystanders away while
operating a power tool. Distractions can
cause you to lose control
ELECTRICAL SAFETY
1. Power tool plugs must match the outlet.
Never modify the plug in any way. Do
not use any adapter plugs with earthed
(grounded) power tools. Unmodied
plugs and matching outlets will reduce
risk of electric shock.
2. Avoid body contact with earthed or
grounded surfaces, such as pipes,
radiators, ranges and refrigerators. There
is an increased risk of electric shock if your
body is earthed or grounded.
3. Do not expose power tools to rain or wet
conditions. Water entering a power tool
will increase the risk of electric shock.
4. Do not abuse the cord. Never use the
cord for carrying, pulling or unplugging
the power tool. Keep cord away from
heat, oil, sharp edges or moving parts.
Damaged or entangled cords increase
the risk of electric shock.
5. When operating a power tool outdoors,
use an extension cord suitable for
outdoor use. Use of a cord suitable for
outdoor use reduces the risk of electric
shock.
6. If operating a power tool in a damp
location is unavoidable, use a ground-
fault circuit interrupter (GFCI) protected
supply. Use of a GFCI reduces the risk of
electric shock.
PERSONAL SAFETY
1. Stay alert, watch what you are
doing and use common sense when
operating a power tool. Do not use
a power tool while you are tired or
under the influence of drugs, alcohol
or medication. A moment of inattention
while operating power tools may result
in serious personal injury.
2. Use personal protective equipment.
Always wear eye protection. Protective
equipment such as dust mask, non-
skid safety shoes, hard hat, or hearing
protection used for appropriate
conditions will reduce personal injuries.
3. Prevent unintentional starting. Ensure
the switch is in the off-position before
connecting to power source and/or
battery pack, picking up or carrying the
tool. Carrying power tools with your nger
on the switch or energising power tools
that have the switch on invites accidents.
4. Remove any adjusting key or wrench
before turning the power tool on.
A wrench or a key left attached to a
rotating part of the power tool may result
in personal injury.
5. Do not overreach. Keep proper footing
and balance at all times. This enables
better control of the power tool in
unexpected situations.
6. Dress properly. Do not wear loose
clothing or jewellery. Keep your hair
and clothing away from moving parts.
Loose clothes, jewellery or long hair can
be caught in moving parts.
7. If devices are provided for the
connection of dust extraction and
collection facilities, ensure these are
connected and properly used. Use of
dust collection can reduce dust-related
hazards.
SAFETY INSTRUCTIONS
Page 5
SAFETY INSTRUCTIONS
POWER TOOL USE
AND CARE
1. Do not force the power tool. Use the
correct power tool for your application.
The correct power tool will do the job
better and safer at the rate for which it
was designed.
2. Do not use the power tool if the switch
does not turn it on and off. Any power tool
that cannot be controlled with the switch
is dangerous and must be repaired.
3. Disconnect the plug from the power
source and/or remove the battery
pack, if detachable, from the power
tool before making any adjustments,
changing accessories, or storing
power tools. Such preventive safety
measures reduce the risk of starting the
power tool accidentally.
4. Store idle power tools out of the reach
of children and do not allow persons
unfamiliar with the power tool or these
instructions to operate the power tool.
Power tools are dangerous in the hands
of untrained users.
5. Maintain power tools and accessories.
Check for misalignment or binding of
moving parts, breakage of parts and
any other condition that may affect the
power tool’s operation. If damaged,
have the power tool repaired before
use. Many accidents are caused by
poorly maintained power tools.
6. Keep cutting tools sharp and clean.
Properly maintained cutting tools with
sharp cutting edges are less likely to
bind and are easier to control.
7. Use the power tool and tool bits etc. in
accordance with these instructions,
taking into account the working
conditions and the work to be
performed. Use of the power tool for
operations different from those intended
could result in a hazardous situation.
8. Keep handles and grasping surfaces
dry, clean and free from oil and
grease. Slippery handles and grasping
surfaces do not allow for safe handling
and control of the tool in unexpected
situations.
BATTERY TOOL USE AND CARE
1. Recharge only with the charger
specified by the manufacturer. A
charger that is suitable for one type of
battery pack may create a risk of re
when used with another battery pack.
2. Use power tools only with specifically
designated battery packs. Use of any
other battery packs may create a risk of
injury and re.
3. When battery pack is not in use, keep
it away from other metal objects, like
paper clips, coins, keys, nails, screws
or other small metal objects, that can
make a connection from one terminal to
another. Shorting the battery terminals
together may cause burns or a re.
4. Under abusive conditions, liquid may
be ejected from the battery; avoid
contact. If contact accidentally occurs,
flush with water. If liquid contacts eyes,
additionally seek medical help. Liquid
ejected from the battery may cause
irritation or burns.
5. Do not use a battery pack or tool that
is damaged or modified. Damaged
or modied batteries may exhibit
unpredictable behaviour resulting in re,
explosion or risk of injury.
6. Do not expose a battery pack or tool to
fire or excessive temperature. Exposure
to re or temperature above 100 °C
(212 °F) may cause explosion.
7. Follow all charging instructions and do not
charge the battery pack or tool outside
the temperature range specified in the
instructions. Charging improperly or
at temperatures outside the specied
range may damage the battery and
increase the risk of re.
SERVICE
1. Have your power tool serviced by
a qualified repair person using only
identical replacement parts. This will
ensure that the safety of the power tool
is maintained.
2. Never service damaged battery packs.
Service of battery packs should only
be performed by the manufacturer or
authorized service providers.
Page 6
SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS FOR
RECIPROCATING SAWS
1. Hold power tool by insulated gripping
surfaces, when performing an
operation where the cutting accessory
may contact hidden wiring. Cutting
accessory contacting a “live” wire may
make exposed metal parts of the power
tool “live” and could give the operator
an electric shock.
2. Use clamps or another practical way to
secure and support the workpiece to a
stable platform. Holding the workpiece
by hand or against your body leaves it
unstable and may lead to loss of control.
3. The saw blade must be securely
locked in its holder. Check that it has
been securely seated before use.
4. Make certain that all adjusting levers
and the blade holder are tight before
making a cut. Loose adjusting levers
and holders can cause the tool or blade
to slip; loss of control may result.
5. Check that the switch is “off” before
attaching a battery. Accidental starting
could cause injury.
6. Secure material before cutting. Never
hold the workpiece in your hand or
across your legs. Small or thin material
may ex or vibrate with the blade,
causing loss of control.
7. Never touch the saw blade immediately
after use. It may be hot after prolonged
use.
8. Always wear safety goggles or eye
protection when using this tool. Use
a dust mask or respirator if cutting
generates a great amount of dust.
9. Keep hands away from the cutting
area. Do not reach under the material
being cut. The proximity of the blade to
your hand is hidden from your sight.
10. Do not use dull or damaged saw blades
and accessories.
11. When using the hook always be aware
that the blade is exposed. Always hang
the tool in an area where yourself and
bystanders can not accidently make
contact with the blade.
IMPORTANT SAFETY INSTRUCTIONS
1. To reduce the risk of electric shock or
damage to the chargers and batteries,
use only with the MASTERFORCE
®
battery packs and chargers listed.
Battery pack Charger
252-8027, 252-8029
252-8030, 252-8031
252-8034, 252-8035
252-8003, 252-8005
252-8007
252-8025
252-8026
252-8037
2. For best results, your battery and tool
should be stored, charged and used in a
location where the temperature is more
than 5°C (41°F) but less than 40°C (104°F).
Do not store outside or in vehicles.
DANGER:
People with electronic
devices, such as pacemakers, should consult
their physician(s) before using this product.
Operation of electrical equipment in close
proximity to a heart pacemaker could cause
interference or failure of the pacemaker.
WARNING:
Some dust created by
power sanding, sawing, grinding, drilling and
other construction activities contains chemicals
known to the state of California to cause
cancer, birth defects or other reproductive
harm. Some examples of these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks, cement
and other masonry products, and
• Arsenic and chromium from
chemically-treated lumber.
Your risk from these exposures varies, depending
on how often you do this type of work. To reduce
your exposure to these chemicals:
1. Work in a well ventilated area.
2.
Work with approved safety equipment, such
as dust masks that are specially designed
to filter out microscopic particles.
3.
Avoid prolonged contact with dust from
power sanding, sawing, grinding, drilling,
and other construction activities. Wear
protective clothing and wash exposed areas
with soap and water. Allowing dust to get into
your mouth or eyes or to lie on the skin may
promote absorption of harmful chemicals.
Page 7
OVERVIEW
Pivot Shoe
Hook
Lock-Off Button
Variable-Speed
Trigger Switch
Shoe-Locking Lever
Blade-Orbit Selector Lever
Tool-Less Blade Clamp
LED Worklight
SPECIFICATIONS
No-load Speed 0-3,100 SPM
Blade Stroke 1-1/8” (29mm)
Tool Weight (without battery) 5 lb. 15 oz. (2.7 kg)
Page 8
ASSEMBLY
WARNING:
If any part is broken
or missing, DO NOT attempt to attach the
battery pack or operate the tool until the
broken or missing part is replaced. Failure
to do so could result in possible serious
injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modification is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the power source
when you are assembling parts, making
adjustments, installing or removing
blades, cleaning, or when it is not in
use. Disconnecting the tool will prevent
accidental starting, which could cause
serious personal injury.
CONTENTS
Reciprocating saw, 2 wood-cutting blades,
instruction manual.
UNPACKING
1. Carefully remove the tool and any
accessories from the carton. Make sure
that all items listed in the packing list are
included.
2. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
3. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the tool.
Page 9
OPERATION
TO ATTACH BATTERY
PACK (FIG. 1)
1. Make sure that the tool is switched off.
2. Align the raised rib on the battery pack
with the grooves on the bottom of the
saw, and then slide the battery pack to
the tool.
NOTICE: Make sure that the latch on the
battery pack snaps into place and the
battery pack is secured to the tool before
operation.
TO DETACH BATTERY
PACK (FIG. 1)
1. Make sure that the tool is switched off.
2. Depress the battery-release button
located on the front of the battery pack
to release the battery pack.
3. Pull the battery pack out and remove it
from the tool.
FIG. 1
Detach
Attach
I
INSTALLING THE BLADE (FIG. 2)
1. Remove the battery pack from the tool.
2. Turn the tool-less blade clamp
counterclockwise.
3. Insert the blade into the slot in the blade
clamp.
4. Release the blade clamp to lock the
blade in place.
NOTICE: When changing a blade
immediately after operation, allow the
blade to cool before removing to avoid
possible burning from the hot blade.
NOTICE: The blade may be installed with
the teeth pointing up or down, according
to the needs of the cutting operation. Note
that orbital action is effective only when
the saw blade teeth face down.
WARNING:
For all work and
when changing the blade, always wear
protective gloves. The sharp edges of the
blade will cause personal injury. The blade
can become very hot while working.
REMOVING THE BLADE (FIG. 2)
1. Remove the battery pack from the tool.
2. Turn the tool-less blade clamp
counterclockwise.
3. Pull the blade out of the blade clamp.
FIG. 2
PIVOT SHOE (FIG. 3)
For maximum control and longer blade life,
the base assembly slides in or out to adjust
the effective stroke length.
1. Remove the battery pack from the tool.
2. Pull the shoe-locking lever and slide the
shoe to the desired position. The shoe
can be locked in any position.
3. Push the shoe-locking lever to lock the
shoe in the desired position.
Battery-Release
Button
Page 10
OPERATION
4. Hold the saw rmly and then pivot the
shoe to the desired angle.
WARNING:
To avoid injury and
damage, do not operate the saw without
the pivot shoe in place. The spindle may
strike against the workpiece and damage
the reciprocating mechanism.
FIG. 3
Shoe Locking Lever
HOOK (FIG. 4)
Your tool is equipped with a convenient
hook for hanging your tool. To use, simply lift
up hook until it snaps into the open position.
When not in use, always lower hook until it
snaps into the closed position.
FIG. 4
Hook
VARIABLE-SPEED TRIGGER
SWITCH (FIG. 5A & 5B)
Your reciprocating saw is equipped with a
trigger switch to turn the saw on and off and
to control the speed.
1. Before you turn on the tool, open the
lock-off button by pressing from the
right side (FIG. 5A).
FIG. 5A
Close
Lock-Off Button
Open
2. To turn the saw on, depress the trigger
switch (FIG. 5B).
FIG. 5B
Variable-Speed
Trigger Switch
3. To turn the saw off, release the trigger
switch.
4. The variable-speed trigger switch
delivers higher speed with increased
trigger pressure and lower speed with
decreased trigger pressure.
NOTICE: Engage the lock-off button by
pressing from the left side when the tool
is not in use.
Page 11
OPERATION
ADJUSTING THE BLADE ORBIT
ACTION (FIG. 6)
This reciprocating saw has the option of
orbit action to make the blade swing slightly
as it cuts. Orbital cutting action is conducive
to removing saw-dust, which increases the
cutting efciency. Straight cutting is best
for making smooth cuts and orbital cutting
action is best for making a faster cut.
1. Remove the battery pack from the tool.
2. Turn the orbit selection lever to the
“
” position for orbital cutting action.
3. Turn the orbit selection lever to the
“ ” position for straight cutting
action.
NOTICE: To prevent damage to the tool,
always allow the motor to come to a
complete stop before using the blade-
orbit selection lever.
NOTICE: Do not use the orbital cutting
action setting when cutting a metal.
FIG. 6
Blade-Orbit Selection Lever
LED WORKLIGHT (FIG. 7)
Your reciprocating saw has two built-in
LED worklights for illuminating the cutting
area. To activate the LED worklight, open
the lock-off button and depress the trigger
switch. The light will automatically turn off
within 10 seconds after releasing the trigger.
FIG. 7
LED Worklight
GENERAL CUTTING
WARNING:
Before attaching the
battery pack to the tool, always check
to determine that the switch performs
properly and returns to the “OFF” position
when released.
WARNING:
Hold the tool only by
the plastic handle and the insulated grip
area to help prevent electrical shock.
When sawing into walls or floors you may
encounter electrical wiring. Sawing into a
“live” wire will cause electric shock.
1. Remove the battery pack from the saw.
2. Make sure that the workpiece is rmly
clamped.
3. Use the appropriate type and size of
blade for the workpiece material and size.
4. Adjust the pivot shoe as necessary to make
sure that the blade will extend beyond the
shoe and the workpiece at all times.
5. Adjust the pivot shoe as necessary to
expose unworn blade teeth for longer
blade life.
6. Check for clearance behind the
workpiece so that the blade will not
impact another surface.
7. Mark the line of cut clearly. If cutting
metal, see METAL CUTTING section.
8. Attach the battery pack to the saw.
9. Hold the saw rmly with both hands.
Make sure to keep your hands on the
insulated gripping areas only.
Page 12
OPERATION
10. Open the lock-off button and press
the trigger switch to start the saw and
bring it to the maximum desired cutting
speed before applying the blade to the
workpiece.
11. Do not force the tool. Place the shoe
rmly on the workpiece while cutting.
Use only enough steady pressure on the
blade to keep the saw cutting.
12. Reduce pressure as the blade comes to
the end of the cut.
13. Allow the saw to come to a complete
stop before removing the blade from the
workpiece.
14. If sawing berglass, plaster, wallboard,
or spackling compound, clean the saw
motor vents frequently with a vacuum
or compressed air. These materials are
highly abrasive and may accelerate the
wear on motor bearings and brushes.
WARNING:
Always wear safety
goggles or safety glasses with side
shields during power tool operations, or
when blowing dust.
NOTICE: Cutting speeds should vary with
the workpiece. Hard materials, such as
metals, require lower speeds; for softer
materials use higher speeds.
PLUNGE CUTTING (FIG. 8)
A B
FIG. 8
Your reciprocating saw is ideal for plunge
cutting directly into surfaces that cannot be
cut from an edge, such as walls or oors.
Plunge cutting may be done two ways,
depending on how the blade is inserted.
Column A shows how to plunge cut with the
teeth of the blade facing down. Column B
shows how to plunge cut with the teeth of
the blade facing up.
1. Insert the blade into the tool. If the
blade is inserted with the teeth facing
downward, hold the tool as shown in
Column A, resting the edge of the shoe
on the workpiece.
2. If you inserted the blade with the teeth
facing upward, hold the tool as shown in
Column B, resting the edge of the shoe
on the workpiece as shown.
3. With the blade just above the workpiece,
depress the trigger switch, and using
the edge of the shoe as a pivot, lower
the blade into the workpiece.
4. As the blade starts cutting, raise the
handle of the tool slowly until the shoe
rests rmly on the workpiece.
5. After the blade has penetrated through
the workpiece, guide the tool along your
cutting line to achieve the desired cut.
6. Release the trigger switch. Do not
remove the blade from the material
until the blade has completely stopped
moving.
NOTICE: To make plunge cutting easier,
use a heavy gauge blade and install the
blade with the teeth facing upward as
show in column B (FIG. 8).
WARNING:
To reduce the risk of
explosion, electric shock and property
damage, always check the work area for
hidden gas pipes, electrical wires or water
pipes when making blind or plunge cut.
WARNING:
To avoid loss of control
and serious injury, make sure that the
blade reaches maximum speed before
touching it to the workpiece.
WARNING:
Do not make plunge
cuts in metal materials.
Page 13
METAL CUTTING
The saw can be used to cut metals, such
as sheet steel, pipe, steel rods, aluminum,
brass, and copper. Be careful not to twist or
bend the saw blade. Do not force.
The use of cutting oil is recommended when
cutting soft metals and steel. Cutting oil will
keep the blade cool, increase the cutting
action, and prolong blade life.
WARNING:
Never use gasoline,
because normal sparking could ignite the
fumes.
1. Securely clamp the workpiece in
position, and make the cut close to
the clamping point in order to minimize
vibration of the work being cut.
2. When cutting conduit pipe or angle iron,
clamp the work in a vise, if possible, and
cut close to the vise.
3. To cut thin sheet material, “sandwich”
the material between pieces of
hardboard or plywood, and clamp
the layers together in order to reduce
vibration and tearing of the material.
OPERATION
Page 14
MAINTENANCE
WARNING:
Always wear safety
goggles or safety glasses with side
shields during power tool operations, or
when blowing dust. If operation is dusty,
also wear a dust mask.
WARNING:
Do not at any time let
brake fluids, gasoline, petroleum-based
products, penetrating oils, etc. come in
contact with plastic parts. Chemicals can
damage, weaken or destroy plastic, which
may result in serious personal injury.
MAINTENANCE
The tool may be cleaned most effectively
with compressed dry air. Always wear
safety goggles when cleaning tools with
compressed air.
Avoid using solvents when cleaning plastic
parts. Most plastics are susceptible to
damage from various types of commercial
solvents and may be damaged by their use.
Use clean cloths to remove dirt, dust, oil,
grease, etc.
BEFORE EACH USE
1. Inspect the reciprocating saw, the on/off
switch and the accessories for damage.
2. Check for damaged, missing, or worn
parts.
3. Check for loose screws, misalignment
or binding of moving parts, or any other
condition that may affect the operation.
4. If abnormal vibration or noise occurs,
turn the tool off immediately and have
the problem corrected before further
use.
5. Detach the battery from the saw before
cleaning or performing any maintenance.
Using compressed air may be the most
effective cleaning method. Always wear
safety goggles when cleaning tools
using compressed air.
LUBRICATION
All of the bearings in this tool are lubricated
with a sufcient amount of high grade
lubricant for the life of the unit under normal
conditions. Therefore, no further lubrication
is required.
Page 15
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The saw does not work. The battery is depleted. Charge the battery.
The saw does not work and the tool
LED worklight ashes.
The tool is overheated. Cool down the tool.
The saw does not work and two
battery pack LED lights alternately
ash.
The battery is
overheated.
Cool down the battery.
The saw does not work and the battery
pack LED lights ash.
The battery is in
overloaded protection.
Load appropriate loading
force when cutting with
the saw.
Cutting is difcult. Saw blade is wore out. Replace the saw blade.
Page 16
NOTES
Page 17
NOTES
Page 18
SAVE YOUR RECEIPTS
THIS WARRANTY IS VOID WITHOUT THEM
BRUSHLESS RECIPROCATING SAW
WARRANTY
90-DAY MONEY BACK GUARANTEE:
This MASTERFORCE
®
brand power tool carries our 90-DAY Money Back
Guarantee. If you are not completely satised with your MASTERFORCE
®
brand
power tool for any reason within ninety (90) days from the date of purchase, return
the tool with your original receipt to any MENARDS
®
retail store, and we will provide
you a refund – no questions asked.
3-YEAR LIMITED WARRANTY:
This MASTERFORCE
®
brand power tool carries our famous No Hassle 3-Year
Limited Warranty to the original purchaser. If, during normal use, this
MASTERFORCE
®
power tool breaks or fails due to a defect in material or
workmanship within three (3) years from the date of original purchase, simply bring
this tool with the original sales receipt back to your nearest MENARDS
®
retail store.
At its discretion, MASTERFORCE
®
agrees to have the tool or any defective part(s)
repaired or replaced with the same or similar MASTERFORCE
®
product or part
free of charge, within the stated warranty period, when returned by the original
purchaser with original sales receipt. Not withstanding the foregoing, this limited
warranty does not cover any damage that has resulted from abuse or misuse of the
Merchandise. This warranty: (1) excludes expendable parts including but not limited
to blades, brushes, belts, bits, light bulbs, and/or batteries; (2) shall be void if this
tool is used for commercial and/or rental purposes; and (3) does not cover any
losses, injuries to persons/property or costs. This warranty does give you specic
legal rights and you may have other rights, which vary from state to state. Be
careful, tools are dangerous if improperly used or maintained. Seller’s employees
are not qualied to advise you on the use of this Merchandise. Any oral
representation(s) made will not be binding on seller or its employees. The rights
under this limited warranty are to the original purchaser of the Merchandise and may
not be transferred to any subsequent owner. This limited warranty is in lieu of all
warranties, expressed or implied including warranties or merchantability and tness
for a particular purpose. Seller shall not be liable for any special, incidental, or
consequential damages. The sole exclusive remedy against the seller will be for the
replacement of any defects as provided herein, as long as the seller is willing or
able to replace this product or is willing to refund the purchase price as provided
above. For insurance purposes, seller is not allowed to demonstrate any of these
power tools for you.
For questions / comments, technical assistance or repair parts – Please Call Toll
Free: 1-866-917-4374 (M-F 8:30am-5:00pm EST).
Page 19
12/2020
© 2020 Menard, Inc., Eau Claire, WI 54703
241-0472
17 19 21 23
OPERATOR’S MANUAL
CAUTION:
To Reduce the Risk of Injury, User Must
Read and Understand the Operator’s Manual. Save These
Instructions For Future Reference.
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374. (M-F 8:30am-5:00pm Est.)
BRUSHLESS
1/2’’ HAMMER DRILL
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specifications ................................................. Page 8
Assembly ............................................................. Page 9
Operation ............................................................. Page 9
Maintenance .......................................................... Page 17
Troubleshooting ....................................................... Page 18
Warranty ............................................................. Page 22
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amps Current
Hz Hertz Frequency (cycles per second)
W Watts Power
lbs Pounds Weight
n
o
No-load Speed Rotational speed at no load
RPM
Revolutions per
Minute
Unit of speed
BPM Beats per Minute Unit of speed
�
or d.c Direct Current Type of characteristic of current
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualified service technician.
Page 3
SAFETY INSTRUCTIONS
The purpose of safety symbols is to attract your attention to possible dangers. The safety
symbols and the explanations with them deserve your careful attention and understanding.
The symbol warnings do not, by themselves, eliminate any danger. The instructions and
warnings they give are no substitutes for proper accident prevention measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER,” ”WARNING,” and “CAUTION”
before using this tool. Failure to following all instructions listed below may result in
electric shock, fire, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE: (Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
Page 4
GENERAL POWER TOOL
SAFETY WARNINGS
WARNING:
Read all safety
warnings, instructions, illustrations and
specifications provided with this power
tool. Failure to follow all instructions listed
below may result in electric shock, fire and/or
serious injury.
SAVE ALL WARNINGS AND INSTRUCTIONS
FOR FUTURE REFERENCE.
The term “power tool” in the warnings refers
to your mains-operated (corded) power tool
or battery-operated (cordless) power tool.
WORK AREA SAFETY
1. Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
2. Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks which may ignite the
dust or fumes.
3. Keep children and bystanders away
while operating a power tool. Distractions
can cause you to lose control.
ELECTRICAL SAFETY
1. Power tool plugs must match the
outlet. Never modify the plug in any way.
Do not use any adapter plugs with earthed
(grounded) power tools. Unmodified plugs
and matching outlets will reduce risk of
electric shock.
2. Avoid body contact with earthed
or grounded surfaces, such as pipes,
radiators, ranges and refrigerators. There
is an increased risk of electric shock if your
body is earthed or grounded.
3. Do not expose power tools to rain or
wet conditions. Water entering a power tool
will increase the risk of electric shock.
4. Do not abuse the cord. Never use the
cord for carrying, pulling or unplugging the
power tool. Keep cord away from heat, oil,
sharp edges or moving parts. Damaged or
entangled cords increase the risk of electric
shock.
5. When operating a power tool outdoors,
use an extension cord suitable for outdoor
use. Use of a cord suitable for outdoor use
reduces the risk of electric shock.
6. If operating a power tool in a damp
location is unavoidable, use a ground fault
circuit interrupter (GFCI) protected supply.
Use of an GFCI reduces the risk of electric
shock.
PERSONAL SAFETY
1. Stay alert, watch what you are doing
and use common sense when operating a
power tool. Do not use a power tool while
you are tired or under the influence of
drugs, alcohol or medication. A moment of
inattention while operating power tools may
result in serious personal injury.
2. Use personal protective equipment.
Always wear eye protection. Protective
equipment such as a dust mask, non-skid
safety shoes, hard hat or hearing protection
used for appropriate conditions will reduce
personal injuries.
3. Prevent unintentional starting. Ensure
the switch is in the off-position before
connecting to power source and/or battery
pack, picking up or carrying the tool.
Carrying power tools with your finger on the
switch or energising power tools that have
the switch on invites accidents.
4. Remove any adjusting key or wrench
before turning the power tool on. A wrench
or a key left attached to a rotating part of the
power tool may result in personal injury.
5. Do not overreach. Keep proper footing
and balance at all times. This enables better
control of the power tool in unexpected
situations.
SAFETY INSTRUCTIONS
Page 5
SAFETY INSTRUCTIONS
6. Dress properly. Do not wear loose
clothing or jewellery. Keep your hair and
clothing away from moving parts. Loose
clothes, jewellery or long hair can be caught
in moving parts.
7. If devices are provided for the
connection of dust extraction and
collection facilities, ensure these are
connected and properly used. Use of dust
collection can reduce dust-related hazards.
8. Do not let familiarity gained from
frequent use of tools allow you to become
complacent and ignore tool safety
principles. A careless action can cause
severe injury within a fraction of a second.
POWER TOOL USE
AND CARE
1. Do not force the power tool. Use the
correct power tool for your application. The
correct power tool will do the job better and
safer at the rate for which it was designed.
2. Do not use the power tool if the switch
does not turn it on and off. Any power tool
that cannot be controlled with the switch is
dangerous and must be repaired.
3. Disconnect the plug from the power
source and/or remove the battery pack,
if detachable, from the power tool before
making any adjustments, changing
accessories, or storing power tools. Such
preventive safety measures reduce the risk of
starting the power tool accidentally.
4. Store idle power tools out of the reach
of children and do not allow persons
unfamiliar with the power tool or these
instructions to operate the power tool.
Power tools are dangerous in the hands of
untrained users.
5. Maintain power tools and accessories.
Check for misalignment or binding of
moving parts, breakage of parts and
any other condition that may affect the
power tool’s operation. If damaged, have
the power tool repaired before use. Many
accidents are caused by poorly maintained
power tools.
6. Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp
cutting edges are less likely to bind and are
easier to control.
7. Use the power tool, accessories
and tool bits etc. in accordance with
these instructions, taking into account
the working conditions and the work to
be performed. Use of the power tool for
operations different from those intended
could result in a hazardous situation.
8. Keep handles and grasping surfaces
dry, clean and free from oil and grease.
Slippery handles and grasping surfaces do
not allow for safe handling and control of the
tool in unexpected situations.
BATTERY TOOL USE
AND CARE
1. Recharge only with the charger
specified by the manufacturer. A charger
that is suitable for one type of battery pack
may create a risk of fire when used with
another battery pack.
2. Use power tools only with specifically
designated battery packs. Use of any other
battery packs may create a risk of injury and
fire.
3. When battery pack is not in use, keep
it away from other metal objects, like
paper clips, coins, keys, nails, screws or
other small metal objects, that can make
a connection from one terminal to another.
Shorting the battery terminals together may
cause burns or a fire.
Page 6
SAFETY INSTRUCTIONS
4. Under abusive conditions, liquid may
be ejected from the battery; avoid contact.
If contact accidentally occurs, flush with
water. If liquid contacts eyes, additionally
seek medical help. Liquid ejected from the
battery may cause irritation or burns.
5. Do not use a battery pack or tool that
is damaged or modified. Damaged or
modified batteries may exhibit unpredictable
behaviour resulting in fire, explosion or risk
of injury.
6. Do not expose a battery pack or tool
to fire or excessive temperature. Exposure
to fire or temperature above 100 °C (212 °F)
may cause explosion.
7. Follow all charging instructions and
do not charge the battery pack or tool
outside the temperature range specified
in the instructions. Charging improperly or
at temperatures outside the specified range
may damage the battery and increase the
risk of fire.
SERVICE
1. Have your power tool serviced by a
qualified repair person using only identical
replacement parts. This will ensure that the
safety of the power tool is maintained.
2. Never service damaged battery
packs. Service of battery packs should
only be performed by the manufacturer or
authorized service providers.
SAFETY INSTRUCTIONS FOR
ALL OPERATIONS
1. Wear ear protectors when impact
drilling. Exposure to noise can cause
hearing loss.
2. Use the auxiliary handle. Loss of control
can cause personal injury.
3. Hold the power tool by insulated
gripping surfaces, when performing an
operation where the cutting accessory may
contact hidden wiring. Cutting accessory
or fasteners contacting a “live” wire may
make exposed metal parts of the power tool
“live” and could give the operator an electric
shock.
SAFETY INSTRUCTIONS WHEN
USING LONG DRILL BITS
• Never operate at higher speed than
the maximum speed rating of the drill bit.
At higher speeds, the bit is likely to bend if
allowed to rotate freely without contacting
the workpiece, resulting in personal injury.
• Always start drilling at low speed
and with the bit tip in contact with the
workpiece. At higher speeds, the bit is likely
to bend if allowed to rotate freely without
contacting the workpiece, resulting in
personal injury.
• Apply pressure only in direct line
with the bit and do not apply excessive
pressure. Bits can bend causing breakage
or loss of control, resulting in personal injury.
Page 7
IMPORTANT SAFETY
INSTRUCTIONS
1. To reduce the risk of electric shock
or damage to the chargers and batteries,
use only with the MASTERFORCE
®
FLEXPOWER
®
battery packs and chargers
listed.
Battery pack Charger
252-8029 (1.5Ah)
252-8031 (2.0Ah)
252-8030 (2.5Ah)
252-8034 (4.0Ah)
252-8035 (5.0Ah)
252-8027 (7.5Ah)
252-8003 (2.5Ah Boost)
252-8007 (7.5Ah Boost)
252-8025
252-8037
252-8026
2. For best results, your battery and tool
should be stored, charged and used in a
location where the temperature is more
than 5°C (41°F) but less than 40°C (104°F).
Do not store outside or in vehicles.
DANGER:
People with electronic
devices, such as pacemakers, should
consult their physician(s) before using
this product. Operation of electrical
equipment in close proximity to a heart
pacemaker could cause interference or
failure of the pacemaker.
SAFETY INSTRUCTIONS
WARNING:
Some dust created
by power sanding, sawing, grinding,
drilling, and other construction activities
contains chemicals known to the state
of California to cause cancer, birth
defects, or other reproductive harm.
Some examples of these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks, cement,
and other masonry products
• Arsenic and chromium from
chemically-treated lumber
Your risk from these exposures varies,
depending upon how often you do this
type of work. To reduce your exposure
to these chemicals:
• Work in a well-ventilated area.
• Work with approved safety
equipment, such as dust masks that
are specially designed to filter out
microscopic particles.
• Avoid prolonged contact with dust
from power sanding, sawing, grinding,
drilling, and other construction activities.
Wear protective clothing and wash
exposed areas with soap and water.
Allowing dust to get into your mouth or
eyes or to lie on the skin may promote
absorption of harmful chemicals.
SAVE THESE INSTRUCTIONS!
Page 8
OVERVIEW
17 19 21 23
Variable-Speed
Trigger Switch
Direction-Of-Rotation
Selector (Forward/
Center-Lock/Reverse)
LED Worklight
Mode-Selector Ring
Torque-Adjustment Ring
Two-Speed Gearbox Switch
SPECIFICATIONS
Rated Voltage 20 V d.c.
No-load Speed 0-550/0-2,000 RPM
Impact Rate 0-8800/0-32000 BPM
Chuck Capacity 1/2” (13mm)
Max. Torque 800 in. lbs.
Weight (without battery) 3lb 10oz
Impulse Button
Impulse Indicator
Chuck Sleeve
Side Handle
Bit Holder
Belt Clip
Page 9
OPERATION
ASSEMBLY
WARNING:
If any part is broken or
missing, DO NOT attach the battery pack
or operate the tool until the broken or
missing part is replaced. Failure to do so
could result in possible serious injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modication is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the battery pack
when you are assembling parts, making
adjustments, cleaning, or when it is not in
use. Disconnecting the tool will prevent
accidental starting, which could cause
serious personal injury.
CONTENTS
Cordless hammer drill, belt clip, screw, side
handle, and instruction manual.
UNPACKING
1. Carefully remove the tool and any
accessories from the carton. Make sure
that all items listed in the packing list are
included.
2. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
3. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the tool.
TO ATTACH BATTERY PACK
(FIG.1)
FIG. 1
Battery-Release
Button
1. Align the raised rib on the battery pack
with the grooves on the bottom of the
tool, then slide the battery pack onto the
tool.
2. Ensure that the battery-release button
on the battery pack snaps into place
and the battery pack is secured to the
tool before beginning operation.
NOTICE: When placing the battery pack
on the tool, be sure that the raised rib on
the battery pack aligns with the groove on
the tool and the latches snap into place
properly. Improper assembly of the battery
pack can cause damage to internal com-
ponents.
TO DETACH BATTERY PACK
(FIG.1)
1. Press the battery-release button to
release the battery pack.
2. Pull the battery pack to remove it from
the tool.
Page 10
OPERATION
INSTALL THE BELT CLIP
(FIG.2)
1. Align the rib of the belt clip with the hole
on the base of the hammer drill.
2. Insert the screw and tighten the screw
securely with a screwdriver. The belt
clip can be positioned on left side of the
tool.
REMOVE THE BELT CLIP
(FIG.2)
FIG. 2
1. Use a screwdriver to loosen the screw
that attaches the belt clip to the hammer
drill.
2. Remove the screw and the belt clip.
STORE THE BIT
(FIG.3)
FIG. 3
Your hammer drill is equipped with a bit
holder on the heel of the tool. After using the
bit, you can insert the bit into the bit holder
for convenient storage.
INSTALL/REMOVE THE SIDE
HANDLE (FIG.4)
FIG. 4
1. Align the side handle with either the left
or right mounting hole in the housing of
the tool.
2. Turn the side handle clockwise to
tighten the side handle.
3. Turn the side handle counterclockwise
to loosen and remove the side handle.
Screw
Belt Clip
Bit
Bit Holder
Mounting Holes
Side Handle
Page 11
OPERATION
LED WORKLIGHT (FIG.5)
FIG. 5
The LED worklight, located on the base of the
hammer drill, will illuminate when the trigger
switch is depressed before the hammer drill
is running. This provides additional light on
the surface of the workpiece. The light will
automatically turn off within 10 seconds
after the trigger is released.
VARIABLE-SPEED TRIGGER
SWITCH (FIG. 6)
FIG. 6
1. To turn the hammer drill ON, press the
variable-speed trigger switch.
2. To turn the hammer drill OFF, release the
variable-speed trigger switch.
3. The variable-speed trigger switch
delivers higher speed with increased
trigger pressure and lower speed with
decreased trigger pressure.
WARNING:
Allow the motor to
come to a complete stop before setting
the hammer drill down.
ELECTRIC BRAKE
To stop the hammer drill, release the
variable-speed trigger switch and allow
the chuck to come to a complete stop. The
electric brake quickly stops the chuck from
rotating. This feature engages automatically
when the trigger switch is released.
DIRECTION-OF-ROTATION
SELECTOR
(FORWARD/CENTERLOCK/
REVERSE) (FIG. 7)
FIG. 7
The direction of bit rotation is reversible and
is controlled by a selector located above the
trigger switch. With the hammer drill held in
normal operating position:
1. Position the direction-of-rotation
selector to the right of the tool for
reverse rotation.
LED Worklight
Variable-Speed
Trigger Switch
ForwardReverse
Direction-
Of-Rotation
Selector
Page 12
OPERATION
2. Position the direction-of-rotation
selector to the left of the tool for forward
rotation.
3. Setting the direction-of-rotation selector
in the OFF (center-lock) position helps
reduce the possibility of accidental
starting when not in use.
NOTICE: To prevent gear damage, always
allow the hammer drill to come to a com-
plete stop before changing the direction of
rotation.
NOTICE: The hammer drill will not run un-
less the direction-of-rotation selector is
engaged fully to the left or right.
TWO-SPEED GEARBOX
(FIG. 8)
FIG. 8
The hammer drill has a two-speed gearbox
for drilling or driving at either low or high
speeds. A slide switch is located on the top
of the hammer drill to select either low or
high speed. The required speed is adjusted
depending on the material and the working
conditions.
Use low speed for high power and torque
applications and high speed for fast drilling
or driving applications.
When using hammer drill in the low speed
range, the speed will decrease and the
hammer drill will have more power and
torque. Use low speed for starting holes
without a center punch, drilling metals or
plastic, drilling ceramics, or in applications
requiring a higher torque.
High speed is better for drilling wood and
wood composites.
NOTICE: Avoid running the hammer drill at
high speed for extended periods of time.
Running at high speed under constant us-
age may cause the hammer drill to become
overheated.
NOTICE: Make sure that the two-speed
gearbox switch is fully adjusted at the front
or the back position.
CAUTION:
Never adjust the speed
while the tool is running. Failure to obey
this caution could result in serious damage
to the hammer drill.
Low
High
Page 13
OPERATION
The torque clutch can be adjusted to any of
24 different settings. The higher the torque
setting, the more force the hammer drill
produces to turn an object in either low or
high rotation speed.
When using the hammer drill for different
driving applications, increase or decrease
the torque in order to help prevent damage
to screw heads, threads, workpiece, etc.
Adjust the torque by rotating the torque-
adjustment ring. The proper setting depends
on the job and the type of bit, fastener, and
material you will be using.
In general, use greater torque for larger
screws. If the torque is too high, the screws
may be damaged or broken. For delicate
operations, such as removing a partially
stripped screw, use a low torque setting. For
operations such as drilling into hardwood,
use a higher torque setting.
NOTICE: Do not change the torque setting
when the tool is running.
MODE SELECTION (FIG. 11)
FIG. 11
Your tool has three operating modes: drilling
with hammering action, drilling only, and
driving screws. To set the operating mode,
rotate the mode-selector ring and torque-
adjustment ring to the desired settings.
KEYLESS CHUCK (FIG.9)
FIG. 9
Lock (Tighten)
The hammer drill has a keyless chuck to
tighten or release bits in the chuck jaws. The
arrows on the chuck indicate the direction in
which to rotate the chuck in order to LOCK
(tighten) or UNLOCK (release) the chuck
jaws on the bit.
WARNING:
Do not hold the chuck
with one hand and use the power of the
hammer drill to tighten the chuck jaws on
the drill bit. The chuck could slip in your
hand, or your hand could slip and come
in contact with the rotating bit. This could
cause an accident resulting in serious
personal injury.
ADJUST THE TORQUE (FIG. 10)
FIG. 10
To Increase Torque
To Decrease Torque
Torque-Adjustment
Ring
Torque-Adjustment Ring
Mode-Selector Ring
Unlock (Release)
Chuck Jaws
Keyless Chuck
Page 14
OPERATION
(1) To use the hammer-drilling mode
1. Rotate the mode-selector ring until the
hammer symbol
appears in line
with the arrow.
2. Apply pressure to the bit during
operation to engage the hammering
mechanism.
NOTE: The number selected on the
torque-adjustment ring has no effect on
operation of the drill in hammer mode.
(2) To use only the drilling mode
Rotate the mode-selector ring until the
drill symbol
in line with the arrow.
NOTE: The number selected on the
torque-adjustment ring has no effect on
the operation of the drill in the drilling
mode.
(3) To use the driving screws mode
1. Rotate the mode-selector ring until the
driving symbol
appears in line with
the arrow.
2. Then rotate the torque-adjustment
ring until the desired clutch setting
appears in line with the arrow. The
torque-adjustment ring, when properly
adjusted, will slip at a preset torque to
prevent driving the screw too deeply
into different materials and to prevent
damage to the screw or tool.
IMPULSE MODE (FIG.12)
FIG. 12
1. Impulse mode creates a pulsating on-
off-on motor power cycle, which leads to
a short impulse of torque, together with
low speed, that can be more effective
than a pure rotational motion for certain
applications. The impulse mode can be
used to remove stubborn screws and
prevent the bit tip from walking when
drilling into smooth surfaces, such as
ceramic tiles and steel pipes.
2. Attach the battery to the tool.
3. Turn the direction-of-rotation selector
fully to the left or right and then press
the trigger switch to shine the LED
worklight.
4. If the impulse indicator is off, you can
press the impulse button to turn on
the impulse indicator. If the impulse
indicator is on, indicates that the
impulse mode has been activated.
NOTICE: Do not work for long periods with
the impulse mode activated, as the motor
can be overheated.
NOTICE: The impulse mode has a memory
function. If you activate the impulse mode
without turning off, you can continue to
use the mode directly next time.
NOTICE: With the impulse mode on, the
impulse indicator will automatically turn
off about 1 minute after the trigger switch
is released.
Impulse
Indicator
Impulse
Button
Page 15
OPERATION
INSTALL THE BIT (FIG.13)
FIG. 13
Unlock
(Release)
1. Remove the battery pack from the
hammer drill.
2. Open the chuck jaws until the opening
is slightly larger than the bit you intend
to use and raise the front of the hammer
drill slightly to keep the bit from falling
out of the chuck jaws.
3. Insert the bit into the chuck.
4. Rotate the chuck in the direction of the
arrow marked LOCK to close the chuck
jaws.
5. Tighten the chuck jaws securely on the
bit.
REMOVE THE BIT (FIG.13)
1. Remove the battery pack from the
hammer drill.
2. Open the chuck jaws.
3. Rotate the chuck in the direction of the
arrow marked UNLOCK to loosen the
chuck jaws.
4. Remove the bit.
WARNING:
Make sure to insert
the bit straight into the chuck jaws. Do
not insert the bit into the chuck jaws at an
angle and then tighten. This could cause
the bit to be thrown from the hammer drill,
resulting in possibly serious personal
injury or damage to the chuck.
WARNING:
Use protective gloves
when removing the bit from the tool, or
rst allow the bit to cool down. The bit
may be hot after prolonged use.
DRILLING
1. Check that the direction-of-rotation
selector is at the forward setting.
2. Secure the material to be drilled in a vise
or with clamps to keep it from turning as
the drill bit rotates.
3. Hold the hammer drill firmly and place
the bit at the point to be drilled.
4. Depress the trigger switch to start the
hammer drill.
5. Move the drill bit into the workpiece,
applying only enough pressure to keep
the bit drilling. Do not force the drill or
apply side pressure to elongate a hole.
Let the tool do the work.
6. When drilling hard and smooth surfaces,
use a center punch to mark the desired
location of the hole. This will prevent the
drill bit from slipping off-center as the
hole is started.
7. When drilling metals, use light oil on
the drill bit to keep it from overheating.
The oil will prolong the life of the bit and
increase the drilling action.
8. If the bit jams in the workpiece or if the
drill stalls, stop the tool immediately.
Remove the bit from the workpiece and
determine the reason for jamming.
Bit
Keyless Chuck
Lock
(Tighten)
Chuck Jaws
Page 16
DRILLING IN WOOD
For maximum performance, use high-speed-
steel bits (available separately) or brad-point
bits (available separately) for wood drilling.
1. When drilling “through” holes, place a
block of wood behind the workpiece to
prevent ragged or splintered edges on
the back side of the hole.
2. Begin drilling at a very low speed to
prevent the bit from slipping off the
starting point.
3. Increase speed as the drill bit bites into
the material.
DRILLING IN METAL
For maximum performance, use high-speed-
steel bits (available separately) for metal or
steel drilling. It’s recommended to use the
impulse mode to drill into steel pipes.
1. When drilling metals, use light oil on
the drill bit to keep it from overheating.
The oil will prolong the life of the bit and
increase the drilling action.The oil will
prolong the life of the bit and increase
the drilling action.
2. Begin drilling at a very low speed to
prevent the bit from slipping off the
starting point.
3. Maintain a speed and a pressure that
allow cutting without overheating the
bit. Applying too much pressure will:
• Overheat the hammer drill
• Wear the bearings
• Bend or burn bits
• Produce off-center or irregularly shaped
holes
DRILLING IN MASONRY
For maximum performance, use carbide-
tipped-masonry bits (available separately)
for masonry drilling.
1. When drilling in masonry, select the
hammer-drilling mode.
2. Drilling soft masonry materials, such
as cinder block, requires little pressure.
Hard materials, like concrete, require
more pressure.
3. A smooth, even flow of dust indicates
the proper drilling rate. Do not let the bit
spin in the hole without cutting. Do not
use water to settle dust or to cool bit.
SCREWDRIVER OPERATION
1. Select the desired speed/torque range
to match the planned operation.
2. Attach the desired fastener accessory
into the chuck.
3. Make a few practice runs in a scrap
piece before working.
OPERATION
Page 17
WARNING:
When servicing, use
only identical replacement parts. Use
of any other parts may create a hazard
or cause product damage.
WARNING:
To avoid serious
personal injury, always remove the battery
pack from the product when cleaning or
performing any maintenance.
MAINTENANCE
WARNING:
Avoid using solvents
when cleaning plastic parts. Most plastics
are susceptible to damage from various
types of commercial solvents and may be
damaged by their use. Use a clean cloth
to remove dirt, dust, oil, grease, etc.
WARNING:
Using compressed
air may be the most effective cleaning
method. Always wear safety goggles
when cleaning tools with compressed air.
Page 18
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
The hammer drill does not
work.
The battery is depleted. Charge the battery.
The bit cannot be installed.
The chuck sleeve is not
released.
Release the chuck sleeve.
The bit does not fit the
sleeve.
Use a suitable bit.
Motor is overheating
The cooling vents may be
obstructed.
Clean and clear the vents.
Do not cover the vents with
your hand during operation
NOTES
NOTES
NOTES
SAVE YOUR RECEIPTS
THIS WARRANTY IS VOID WITHOUT THEM
1/2" BRUSHLESS HAMMER DRILL
WARRANTY
90-DAY MONEY BACK GUARANTEE:
This MASTERFORCE® brand power tool carries our 90-DAY Money Back
Guarantee. If you are not completely satisfied with your MASTERFORCE® brand
power tool for any reason within ninety (90) days from the date of purchase, return
the tool with your original receipt to any MENARDS® retail store, and we will provide
you a refund – no questions asked.
3-YEAR LIMITED WARRANTY:
This MASTERFORCE® brand power tool carries our famous No Hassle 3-Year Limited
Warranty to the original purchaser. If, during normal use, this MASTERFORCE® power
tool breaks or fails due to a defect in material or workmanship within three (3) years
from the date of original purchase, simply bring this tool with the original sales receipt
back to your nearest MENARDS® retail store. At its discretion, MASTERFORCE®
agrees to have the tool or any defective part(s) repaired or replaced with the same or
similar MASTERFORCE® product or part free of charge, within the stated warranty
period, when returned by the original purchaser with original sales receipt. Not
withstanding the foregoing, this limited warranty does not cover any damage that
has resulted from abuse or misuse of the Merchandise. This warranty: (1) excludes
expendable parts including but not limited to blades, brushes, belts, bits, light bulbs,
and/or batteries; (2) shall be void if this tool is used for commercial and/or rental
purposes; and (3) does not cover any losses, injuries to persons/property or costs. This
warranty does give you specific legal rights and you may have other rights, which vary
from state to state. Be careful, tools are dangerous if improperly used or maintained.
Seller’s employees are not qualified to advise you on the use of this Merchandise.
Any oral representation(s) made will not be binding on seller or its employees. The
rights under this limited warranty are to the original purchaser of the Merchandise
and may not be transferred to any subsequent owner. This limited warranty is in lieu
of all warranties, expressed or implied including warranties or merchantability and
fitness for a particular purpose. Seller shall not be liable for any special, incidental, or
consequential damages. The sole exclusive remedy against the seller will be for the
replacement of any defects as provided herein, as long as the seller is willing or able
to replace this product or is willing to refund the purchase price as provided above.
For insurance purposes, seller is not allowed to demonstrate any of these power tools
for you.
For questions / comments, technical assistance or repair parts – Please Call Toll
Free at: 1-866-917-4374. (M-F 8:30am-5:00pm Est.)
05/2020
© 2020 Menard, Inc., Eau Claire, WI 54703
252-8037
20 Volt
LITHIUM-ION CHARGER
OPERATOR’S MANUAL
CAUTION:
To Reduce The Risk Of Injury, User Must
Read And Understand Operator’s Manual. Save These
Instructions For Future Reference.
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374. (M-F 8:30am-5:00pm Est.)
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specifications ................................................. Page 6
Assembly ............................................................. Page 7
Operation ............................................................. Page 7
Maintenance ........................................................... Page 9
Troubleshooting ........................................................ Page 9
Warranty ............................................................. Page 10
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
∿
Alternating current Type of current
�
Direct current Type or characteristic of current
n
o
No-load speed Rotational speed at no load
lbs Pounds Weight
Class II construction Double insulated construction
.../min Per minute
Revolutions, strokes, surface speed
orbits, etc., per minute
Wear safety goggles
WARNING:
The operation of any
power tool can result in foreign objects
being thrown into your eyes, which can
result in severe eye damage. Before
beginning power tool operation, always
wear safety goggles or safety glasses
with side shields and a full-face shield
when needed. We recommend a Wide
Vision Safety Mask for use over eye-
glasses or standard safety glasses with
side shields. Always use eye protection
which is marked to comply with
ANSI Z87.1.
E312832
UL Mark
This symbol designates that this tool is
listed by Underwriters Laboratories.
BFP Backfeed protection
It is a protection required by the safety
regulation, which function is to avoid the
current flowing from the battery to the
charger to bring safety risks.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualied service technician.
Page 3
SAFETY INSTRUCTIONS
The purpose of safety symbols is to attract your attention to possible dangers. The safety
symbols and the explanations with them deserve your careful attention and understanding.
The symbol warnings do not, by themselves, eliminate any danger. The instructions and
warnings they give are no substitutes for proper accident prevention measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER,” ”WARNING,” and “CAUTION”
before using this tool. Failure to follow all instructions listed below may result in electric
shock, re, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided, could
result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE: (Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
Page 4
SAFETY INSTRUCTIONS
FCC STATEMENT
1. This device complies with Part 15 of
the FCC Rules. Operation is subject to the
following two conditions:
1) This device may not cause harmful
interference.
2) This device must accept any
interference received, including
interference that may cause undesired
operation.
2. Changes or modications not expressly
approved by the party responsible for
compliance could void the user’s authority
to operate the equipment.
NOTICE: This equipment has been
tested and found to comply with the limits
for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits
are designed to provide reasonable
protection against harmful interference in
a residential installation. This equipment
generates, uses, and can radiate radio
frequency energy and, if not installed and
used in accordance with the instructions,
may cause harmful interference to radio
communications. However, there is no
guarantee that interference will not occur
in a particular installation. If this equipment
does cause harmful interference to radio
or television reception, which can be
determined by turning the equipment off
and on, the user is encouraged to try to
correct the interference by one or more
of the following measures: Reorient or
relocate the receiving antenna. Increase
the separation between the equipment
and receiver. Connect the equipment into
an outlet on a circuit different from that to
which the receiver is connected. Consult
the dealer or an experienced radio/TV
technician for help.
Page 5
WARNING:
Read all safety
warnings and instructions!
Failure to follow the warnings and
instructions may result in electric shock,
re and / or serious injury. Save all warnings
and instructions for future reference.
WARNING:
Risk of fire and electric
shock. Dry location use only. Do not expose
to rain. Risk of injury.
GENERAL SAFETY RULES
WARNING:
Read all safety
warnings and instructions. Failure to follow
the warnings and instructions may result in
electric shock, fire and/or serious injury.
IMPORTANT SAFETY
INSTRUCTIONS
SAVE THESE INTRUCTIONS
1. This manual contains important safety
and operating instructions for battery
charger Model 252-8037.
2. Before using battery charger, read all
instructions and cautionary markings on
battery charger, battery, and product using
battery.
3. Dry location use only.
4. Do not expose to rain.
SAFETY INSTRUCTIONS
CAUTION:
To reduce risk of injury,
charge only Masterforce
®
Li-ion type
rechargeable batteries. Other types of
batteries may burst, causing personal injury
and damage.
5. To reduce risk of battery explosion,
follow these instructions and those marked
on the battery.
6. Never charge a frozen battery.
7. Do not operate charger in a closed-in
area or restrict ventilation in any way.
8. Save these instructions. Refer to them
frequently and use them to instruct others
who may use this tool. If you lend this tool to
someone else, also lend these instructions
to them to prevent misuse of the product
and possible injury.
DANGER:
People with electronic
devices, such as pacemakers, should
consult their physician(s) before using this
product. Operation of electrical equipment
in close proximity to a heart pacemaker
could cause interference or failure of
the pacemaker.
Page 6
OVERVIEW
SPECIFICATIONS
Charger Input 120V~ 60 Hz 90W
Charging Time for Batteries
30 minutes 20V 1.5Ah Li-Ion (252-8029)
35 minutes 20V 2.0Ah Li-Ion (252-8031)
45 minutes
20V 2.5Ah Li-Ion (252-8030,
252-8003)
70 minutes
20V 4.0Ah Li-Ion (252-8034)
20V 4.0Ah Li-Ion (252-8013)
85 minutes
20V 5.0Ah Li-Ion (252-8035,
252-8005)
125 minutes 20V 7.5Ah Li-ion (252-8007)
Charger Weight 1lb.6oz.(0.63kg)
Optimum Charging Temperature
Range
41°F (5°C) and 104°F (40°C)
Electrical contacts
LED light
Air vents
FIG. 1
Page 7
HOW TO CHARGE THE
BATTERY PACK WITH THE
CHARGER (FIG.1)
A fully discharged battery pack will charge
about 30-125 minutes (depending on battery
type) in the desired surrounding temperature.
1. Charge the battery pack with the correct
charger.
2. Connect the charger to a power supply.
ASSEMBLY
WARNING:
If any part is broken
or missing, do not attempt to plug in the
power cord until the broken or missing part
is replaced. Failure to do so could result in
possible serious injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modication is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the power source
when you are assembling parts, making
adjustments, cleaning, or when it is not
in use. Disconnecting the tool will prevent
accidental starting, which could cause
serious personal injury.
CONTENTS
FLEXPOWER
®
Battery charger, instruction
manual
UNPACKING
1. This product has been shipped
completely assembled.
2. Carefully remove the tool from the box.
Make sure that all items listed in the
packing list are included.
3. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
4. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the tool.
FIG. 1
OPERATION
3. Attach the battery pack to the charger
by aligning the raised ribs of the battery
pack with the slot in the charger . Slide
the battery pack onto the charger.
4. The charger will communicate with the
battery pack’s circuitry to evaluate the
condition of the battery pack.
5. During normal charging, the green LED
on the charger will flash continuously,
the green LEDs on the battery pack will
flash one by one from right to left.
6. After charging is complete, the green
LED on the charger will be on, the green
LED on the battery will remain on for
approximately 30 minutes and then turn
off. The power-indicator LED lights will
not illuminate when the battery pack
power-indicator button is pressed while
the battery pack is on the charger.
7. The battery pack will fully charge, but
will not overcharge, if left on the charger.
Page 8
OPERATION
LED FUNCTIONS OF CHARGER
LED INDICATOR
BATTERY
PACK
RED LED
GREEN
LED
ACTION
Hot/Cold
battery
On Off
Fast charge will
begin when the
battery returns
to 41°F (5°C)
and 104°F (40°C).
Defective Flashing Off
Battery pack or
charger is defective.
Charging Off Flashing Charging
Fully
charged
Off On
Charging is
complete.
CHARGING A HOT
BATTERY PACK
If the battery pack is above the normal
temperature range, the red LED will
illuminate and the green LED will be off.
When the battery pack cools down to
approximately 104°F (40°C), the charger will
automatically begin charging.
CHARGING A COLD
BATTERY PACK
If the battery pack is below the normal
temperature range, the red LED will
illuminate and the green LED will be off.
When the battery warms to a temperature
of more than 41°F (5°C), the charger will
automatically begin charging .
DEFECTIVE BATTERY
If the charger detects a problem, the red LED
will begin flashing and the green LED will be off.
1. If registering as defective, remove and
reinsert the battery pack in the charger.
If the LED status reads “defective” a
second time, try to charge a different
battery pack.
2. If a different battery pack charges
normally, dispose of the defective
battery pack (see Maintenance section).
3. If a different battery pack also indicates
“defective,” the charger may be defective.
Page 9
OPERATION
MAINTENANCE
WARNING:
To avoid serious
personal injury, always disconnect the
plug from the power source when cleaning
or performing any maintenance. Contact a
qualied service technician for ALL repairs.
WARNING:
Avoid using solvents
when cleaning plastic parts. Most plastics
are susceptible to damage from various
types of commercial solvents and may be
damaged by their use. Use a clean cloth to
remove dirt, dust, oil, grease, etc.
BATTERY CHARGING
If the battery pack is within the normal
temperature range, the green LED will begin
flashing and the red LED will be off, the four
green LEDs on the battery pack will flash
one by one from right to left.
BATTERY FULL
After the battery is fully charged, the green
LED Light on the charger will be on and the
red LED light will be off; the green LEDs on
the battery will shine for approximately 30
minutes and then turn off.
NOTICE: The battery pack will fully charge,
but will not overcharge, if left on the charger.
NOTICE: Charger may warm with several
continuous charge cycles. This is part of
the normal operation of the charge. Charge
in a well ventilated area.
WALL-MOUNT HOLES
The charger has hanging holes for conve-
nient storage. Install screws in the wall 3-1/4
inches apart. Use screws sufficiently strong
to hold the combined weight of the charger
and battery pack.
WARNING:
If the supply cord
is damaged, it must be replaced by a
specially prepared cord available through
the service organization.
WARNING:
When servicing, use
only identical replacement parts. Use of any
other parts may create a hazard or cause
product damage. To ensure safety and
reliability, all repairs should be performed
by a qualied service technician.
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The battery pack isn’t
charging
Unconnected to charger
Attach the battery pack to
the charger.
SAVE YOUR RECEIPTS
THIS WARRANTY IS VOID WITHOUT THEM
20 Volt LITHIUM-ION CHARGER
WARRANTY
90-DAY MONEY BACK GUARANTEE:
This MASTERFORCE
®
brand power tool carries our 90-DAY Money Back
Guarantee. If you are not completely satisfied with your MASTERFORCE
®
brand
power tool for any reason within ninety (90) days from the date of purchase, return
the tool with your original receipt to any MENARDS
®
retail store, and we will provide
you a refund – no questions asked.
3-YEAR LIMITED WARRANTY:
This MASTERFORCE
®
brand power tool carries our famous No Hassle 3-Year
Limited Warranty to the original purchaser. If, during normal use, this
MASTERFORCE
®
power tool breaks or fails due to a defect in material or
workmanship within three (3) years from the date of original purchase, simply bring
this tool with the original sales receipt back to your nearest MENARDS
®
retail store.
At its discretion, MASTERFORCE
®
agrees to have the tool or any defective part(s)
repaired or replaced with the same or similar MASTERFORCE
®
product or part
free of charge, within the stated warranty period, when returned by the original
purchaser with original sales receipt. Not withstanding the foregoing, this limited
warranty does not cover any damage that has resulted from abuse or misuse of the
Merchandise. This warranty: (1) excludes expendable parts including but not limited
to blades, brushes, belts, bits, light bulbs, and/or batteries; (2) shall be void if this
tool is used for commercial and/or rental purposes; and (3) does not cover any
losses, injuries to persons/property or costs. This warranty does give you specific
legal rights and you may have other rights, which vary from state to state. Be
careful, tools are dangerous if improperly used or maintained. Seller’s employees
are not qualified to advise you on the use of this Merchandise. Any oral
representation(s) made will not be binding on seller or its employees. The rights
under this limited warranty are to the original purchaser of the Merchandise and may
not be transferred to any subsequent owner. This limited warranty is in lieu of all
warranties, expressed or implied including warranties or merchantability and fitness
for a particular purpose. Seller shall not be liable for any special, incidental, or
consequential damages. The sole exclusive remedy against the seller will be for the
replacement of any defects as provided herein, as long as the seller is willing or
able to replace this product or is willing to refund the purchase price as provided
above. For insurance purposes, seller is not allowed to demonstrate any of these
power tools for you.
For questions / comments, technical assistance or repair parts – Please Call Toll
Free at: 1-866-917-4374. (M-F 8:30am – 5:00pm Est.)
01/2023
© 2023 Menard, Inc., Eau Claire, WI 54703
252-8003
OPERATOR’S MANUAL
CAUTION:
To Reduce The Risk Of Injury, User Must
Read And Understand Operator’s Manual. Save These
Instructions For Future Reference.
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374. (M-F 8:30am - 5:00pm Est.)
20V Boost Lithium-Ion
Battery Pack
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specifications ................................................. Page 6
Assembly ............................................................. Page 7
Operation ............................................................. Page 8
Maintenance .......................................................... Page 11
Troubleshooting ....................................................... Page 12
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
∿
Alternating current Type of current
�
Direct current Type or characteristic of current
n
o
No-load speed Rotational speed at no load
lbs Pounds Weight
Class II construction Double insulated construction
.../min Per minute
Revolutions, strokes, surface speed
orbits, etc., per minute
Wear safety goggles
WARNING:
The operation of any
power tool can result in foreign objects
being thrown into your eyes, which can
result in severe eye damage. Before
beginning power tool operation, always
wear safety goggles or safety glasses
with side shields and a full-face shield
when needed. We recommend a Wide
Vision Safety Mask for use over eye-
glasses or standard safety glasses with
side shields. Always use eye protection
which is marked to comply with
ANSI Z87.1.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualified service technician.
Page 3
SAFETY INSTRUCTIONS
The purpose of safety symbols is to attract your attention to possible dangers. The safety
symbols and the explanations with them deserve your careful attention and understanding.
The symbol warnings do not, by themselves, eliminate any danger. The instructions and
warnings they give are no substitutes for proper accident prevention measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER,” ”WARNING,” and “CAUTION”
before using this tool. Failure to following all instructions listed below may result in
electric shock, fire, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE: (Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
Page 4
SAFETY INSTRUCTIONS
WARNING:
Read all safety
warnings and instructions!
Failure to follow the warnings and
instructions may result in electric shock, fire
and/or serious injury. Save all warnings and
instructions for future reference.
The “term power tool” in the warnings refers
to your mains-operated (corded) power tool
or battery-operated (cordless) power tool.
WARNING:
Risk of fire and
electric shock. Dry location use only. Do
not expose to rain. Risk of injury.
WORK AREA SAFETY
1. Keep the work area clean and well lit.
Cluttered or dark areas invite accidents.
2. Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks that may ignite the dust
or fumes.
3. Keep children and bystanders away
while operating a power tool. Distractions
can cause you to lose control.
ELECTRICAL SAFETY
1. Avoid body contact with earthed
or grounded surfaces, such as pipes,
radiators, ranges and refrigerators. There
is an increased risk of electric shock if your
body is earthed or grounded.
2. Do not expose power tools to rain or
wet conditions. Water entering a power tool
will increase the risk of electric shock.
BATTERY TOOL USE
AND CARE
1. Recharge only with the charger
specified by the manufacturer. A charger
that is suitable for one type of battery pack
may create a risk of fire when used with
another battery pack.
2. Use power tools only with specifically
designated battery packs. Use of any
other battery packs may create a risk of
injury and fire.
3. When the battery pack is not in use,
keep it away from other metal objects,
such as paper clips, coins, keys, nails,
screws or other small metal objects that
can make a connection from one terminal
to another. Shorting the battery terminals
together may cause burns or a fire.
4. Under abusive conditions, liquid may
be ejected from the battery; avoid contact.
If contact accidentally occurs, flush with
water. If liquid contacts eyes, also seek
medical help. Liquid ejected from the battery
may cause irritation or burns.
SERVICE
1. Have your power tool serviced by a
qualified repair person, using only identical
replacement parts. This will ensure that the
safety of the power tool is maintained.
SPECIFIC SAFETY RULES FOR
BATTERY PACK
1. Use battery only with chargers listed.
Battery pack Charger
252-8003
252-8025
252-8026
252-8037
Page 5
SAFETY INSTRUCTIONS
2. Know your power tool. Read the
Instruction Manual carefully. Learn the tool’s
applications and limitations, as well as the
specific potential hazards related to this
tool. Following this rule will reduce the risk
of electric shock, fire, and serious injury.
3. Do not place the battery near fire or
heat. This will reduce the risk of explosion
and possible injury.
4. Do not crush, drop or damage the
battery pack. Do not use a battery pack or
charger that has been dropped or received
a sharp blow. A damaged battery is subject
to explosion. Properly dispose of a dropped
or damaged battery immediately.
5. Batteries vent hydrogen gas and can
explode in the presence of a source of
ignition, such as a pilot light. To reduce
the risk of serious personal injury, never use
any cordless product in the presence of an
open flame. An exploded battery can propel
debris and chemicals. If exposed, flush the
exposed area with water immediately.
6. Do not charge the battery in a damp or
wet location. Following this rule will reduce
the risk of electric shock.
7. For best results, your battery should
be charged in a location where the
temperature is more 41°F (5°C) but less
that 104°F (40°C). Do not store outside or in
vehicles.
8. Under extreme usage or temperature
conditions, battery leakage may occur.
If liquid comes in contract with your skin,
wash immediately with soap and water,
then neutralize with lemon juice or vinegar.
If liquid gets in your eyes, flush them with
clean water for at least 10 minutes, and
then seek immediate medical attention.
Following this rule will reduce the risk of
serious personal injury.
9. Do not let gasoline, oils, petroleum-
based products, etc. come in contract with
plastic parts. They contain chemicals that
can damage, weaken or destroy plastic.
10. Have your battery pack serviced by a
qualified repair person using only identical
replacement parts. This will ensure that the
safety of the battery pack is maintained.
11. Save these instructions. Refer to them
frequently and use them to instruct others
who may use this tool. If you lend someone
this tool, lend these instructions also to
prevent misuse of the product and possible
injury.
Page 6
OVERVIEW
Electrical contacts
Power-indicator button
Battery-release button
Power indicator
SPECIFICATIONS
Battery Type Lithium-Ion
Battery Voltage 20V DC
Battery Weight 1.0 lbs. (0.46kg)
Battery Capacity 2.5Ah
Operating Temperature -4°F (-20°C)—104°F (40°C )
FIG. 1
Page 7
WARNING:
If any part is broken
or missing, DO NOT attempt to plug in the
power cord, attach the battery, or operate
the tool until the broken or missing part is
replaced. Failure to do so could result in
possible serious injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modification is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the power source
when you are assembling parts, making
adjustments, installing or removing
application tools, cleaning, or when it is
not in use. Disconnecting the tool will
prevent accidental starting, which could
cause serious personal injury.
ASSEMBLY
CONTENTS
Battery pack and instruction manual
UNPACKING
1. This product has been shipped
completely assembled.
2. Carefully remove the tool and any
accessories from the box. Make sure
that all items listed in the packing list
are included.
3. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
4. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the tool.
Page 8
OPERATION
POWER INDICATOR (Fig. 2)
This Lithium-Ion battery pack is equipped with
a power indicator that displays the battery
pack’s charge status. Press the power-
indicator button to display the LED lights.
The LED lights will stay lit for approximately
4 seconds.
LOW CAPACITY WARNING
If one LED on the power indicator begins to
flash, the battery pack’s charge is under 20%
capacity and should be recharged soon.
Unlike other battery pack types, Lithium-Ion
battery packs deliver fade-free power for their
entire run time. The tool will not experience a
slow, gradual loss of power as you work. To
signal that the battery pack is at the end of its
run time and needs to be charged, power to
the tool will drop quickly.
The power indicator will begin to display
four flashing LED lights when it is completely
discharged. When this happens, remove
the tool from the workpiece and charge the
battery pack as needed.
BATTERY PROTECTION
To protect the battery from damage and
prolong its life, the battery pack circuitry
will turn off the battery pack if it becomes
overloaded or if the temperature becomes too
high during use. This may happen in extremely
high torque, binding and stalling situations.
The battery pack will begin normal operation
when it cools down.
The power indicator will display four flashing
LED lights if the circuitry detects a momentary
overload. You can conveniently reset the
battery pack by releasing the power-tool
trigger. Press the power-indicator button
again to display the remaining charge.
NOTICE: If the power indicator continues to
flash four LED lights after resetting, place
the battery pack on the charger to evaluate
the battery condition.
NOTICE: A significantly reduced run time
after fully charging the battery pack indicates
that the battery is near the end of its usable
life and must be replaced.
FIG. 2
80-100% Charge
60-79% Charge
40-59% Charge
20-39% Charge
Under 20% Charge
Completely Discharged
High/low temperature
NOTICE: The power indicator can be used
whether the battery is attached to or removed
from the tool.
Page 9
OPERATION
COLD WEATHER OPERATION
When the battery pack is very cold, it may
“pulse” for the first minute of use to warm
itself. Put the battery pack on a tool and use
the tool in a light application. After about a
minute, the battery pack will have warmed
itself and will operate normally.
WHEN TO CHARGE THE
BATTERY PACK
The Lithium-Ion battery can be charged at
any time and will not develop a “memory”
when charged after only a partial discharge.
It is not necessary to run down the battery
pack charge before recharging. Remove
the battery pack from the tool when it is
convenient for you and your job.
1. Use the power indicator to determine when
you need to recharge the battery pack.
2. You can “top-off” your battery pack’s
charge before starting a big job or long
period of use.
3. Due to Lithium-Ion’s fade-free
properties, the only time it is necessary
to charge the Lithium- Ion battery pack
is when the pack has reached the end of
its charge. To signal the end of charge,
power to the tool will drop quickly.
Charge the battery pack as needed.
HOW TO CHARGE THE BATTERY
PACK (FIG. 3)
1. Charge the battery pack with the correct
charger.
2. Connect the charger to a power supply .
3. Attach the battery pack to the charger
by aligning the raised ribs of the battery
pack with the slot in the charger. Slide
the battery pack onto the charger.
4. The charger will communicate with the
battery pack’s circuitry to evaluate the
condition of the battery pack.
5. During normal charging, the green LED
on the charger will flash continuously.
6. After charging is complete, the green
LED on the charger will be on. The
power indicator LED lights will not be
displayed when the power-indicator
button is pressed while the battery pack
is on the charger.
7. The battery pack will fully charge, but
will not overcharge, if left on the charger.
HOW TO KNOW THE CHARGE
CONDITION OF BATTERY PACK
DURING CHARGING
The LED lights on the battery pack are
displayed as the pack is being charged,
indicating how fully charged the pack is.
• The first LED light on the battery pack
flashes to indicate that the battery pack is
0%-25% charged.
• The first LED light on the battery pack is
solid and the second flashes to indicate
that the battery pack is 25%-50% charged.
• The first two LED lights on the battery pack
are solid and the third flashes to indicate
that the battery pack is 50%-75% charged.
• The first three LED lights on the battery
pack are solid and the fourth flashes to
indicate that the battery pack is 75%-
100% charged.
• When it is fully charged, all the LED lights
on the battery pack will be solid for about
30 minutes then will turn off.
3
FIG. 3
Page 10
OPERATION
CHARGING A HOT
BATTERY PACK
If the battery pack is above the normal
temperature range, the red LED will illuminate
and the green LED will be off. When the
battery pack cools down to approximately
104°F, the charger will automatically begin
charging.
CHARGING A COLD
BATTERY PACK
If the battery pack is below the normal
temperature range, the red LED will
illuminate and the green LED will be off.
When the battery warms to a temperature
of more than 41°F (5°C), the charger will
automatically begin charging .
LED FUNCTIONS OF CHARGER (FIG. 4)
LED INDICATOR
BATTERY
PACK
RED
LED
GREEN
LED
ACTION
HI / LO TEMP.
Hot/Cold
battery
On Off
Fast charge will begin
when battery returns
to between 41°F (5°C)
and 104°F (40°C)
DEFECTIVE
BATTERY
Defective Flashing Off
Battery pack or
charger is defective
BATTERY
CHARGING
Charging Off Flashing Charging
BATTERY
FULL
Fully
charged
Off On
Charging is
complete
DEFECTIVE BATTERY
If the charger detects a problem, the red LED
will begin flashing and the green LED will be off.
1. If registering as defective, remove and
reinsert the battery pack in the charger.
If the LED status indicates “defective”
a second time, try to charge a different
battery pack.
2. If a different battery pack charges
normally, dispose of the defective
battery pack (see Maintenance section).
3. If a different battery pack also indicates
“defective,” the charger may be defective.
FIG. 4
Page 11
MAINTENANCE
WARNING:
To ensure safety and
reliability, all repairs should be performed
by a qualified service technician.
WARNING:
Always wear safety
goggles or safety glasses with side
shields when using compressed air to
clean tool. If the operation is dusty, also
wear a dust mask.
WARNING:
To avoid serious
personal injury, always remove the battery
pack from the tool when cleaning or
performing any maintenance.
BATTERIES:
The battery pack is equipped with Lithium-
Ion rechargeable batteries. The duration of
use from each charge will depend on the
type of work performed.
The batteries in this tool have been designed
to provide maximum trouble-free life. Like
all batteries, they will eventually wear out.
Do not disassemble the battery pack or
attempt to replace the batteries. Handling
the batteries, especially when wearing rings
and jewelry, could result in a serious burn.
To obtain the longest possible battery life,
read and understand the operator’s manual.
It is good practice to unplug the Charger
and remove the Lithium-Ion battery pack
when it is not in use. For Lithium-Ion battery
pack storage longer than 30 days:
1. Store the Lithium-Ion battery pack
where the temperature is below 80°F
(26°C) and free of moisture.
2. Store Lithium-Ion battery packs in a
30%-50% charged condition.
3. Every six months of storage, fully charge
the Lithium-Ion battery pack.
4. The exterior may be cleaned with a cloth
or soft non-metallic brush.
BATTERY PACK REMOVAL AND
PREPARATION FOR RECYCLING
To preserve natural resources, please
recycle or dispose of batteries properly.
This product contains Lithium-Ion batteries.
Local, state, or federal laws may prohibit
disposal of Lithium-Ion batteries in ordinary
trash. Consult your local waste authority for
information regarding available recycling
and/or disposal options.
WARNING:
Upon removal of the
battery pack for disposal or recycling,
cover the battery pack’s terminals
with heavy-duty adhesive tape. Do not
attempt to destroy or disassemble battery
pack or remove any of its components.
Lithium-Ion batteries must be recycled or
disposed of properly. Never touch both
terminals with metal objects and/or body
parts as short circuit may result. Keep
away from children. Failure to com-ply
with these warnings could result in fire
and/or serious injury.
Page 12
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The battery pack
isn’t charging
Poor connected to charger.
Reconnected the battery
pack to the charger.
The battery pack or charger
is too hot.
Allow the battery pack and
charger to cool down.
Page 13
NOTES
Page 14
NOTES
05/2020
© 2020 Menard, Inc., Eau Claire, WI 54703
252-8037
20 Volt
LITHIUM-ION CHARGER
OPERATOR’S MANUAL
CAUTION:
To Reduce The Risk Of Injury, User Must
Read And Understand Operator’s Manual. Save These
Instructions For Future Reference.
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374. (M-F 8:30am-5:00pm Est.)
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specifications ................................................. Page 6
Assembly ............................................................. Page 7
Operation ............................................................. Page 7
Maintenance ........................................................... Page 9
Troubleshooting ........................................................ Page 9
Warranty ............................................................. Page 10
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
∿
Alternating current Type of current
�
Direct current Type or characteristic of current
n
o
No-load speed Rotational speed at no load
lbs Pounds Weight
Class II construction Double insulated construction
.../min Per minute
Revolutions, strokes, surface speed
orbits, etc., per minute
Wear safety goggles
WARNING:
The operation of any
power tool can result in foreign objects
being thrown into your eyes, which can
result in severe eye damage. Before
beginning power tool operation, always
wear safety goggles or safety glasses
with side shields and a full-face shield
when needed. We recommend a Wide
Vision Safety Mask for use over eye-
glasses or standard safety glasses with
side shields. Always use eye protection
which is marked to comply with
ANSI Z87.1.
E312832
UL Mark
This symbol designates that this tool is
listed by Underwriters Laboratories.
BFP Backfeed protection
It is a protection required by the safety
regulation, which function is to avoid the
current flowing from the battery to the
charger to bring safety risks.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualied service technician.
Page 3
SAFETY INSTRUCTIONS
The purpose of safety symbols is to attract your attention to possible dangers. The safety
symbols and the explanations with them deserve your careful attention and understanding.
The symbol warnings do not, by themselves, eliminate any danger. The instructions and
warnings they give are no substitutes for proper accident prevention measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER,” ”WARNING,” and “CAUTION”
before using this tool. Failure to follow all instructions listed below may result in electric
shock, re, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided, could
result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE: (Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
Page 4
SAFETY INSTRUCTIONS
FCC STATEMENT
1. This device complies with Part 15 of
the FCC Rules. Operation is subject to the
following two conditions:
1) This device may not cause harmful
interference.
2) This device must accept any
interference received, including
interference that may cause undesired
operation.
2. Changes or modications not expressly
approved by the party responsible for
compliance could void the user’s authority
to operate the equipment.
NOTICE: This equipment has been
tested and found to comply with the limits
for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits
are designed to provide reasonable
protection against harmful interference in
a residential installation. This equipment
generates, uses, and can radiate radio
frequency energy and, if not installed and
used in accordance with the instructions,
may cause harmful interference to radio
communications. However, there is no
guarantee that interference will not occur
in a particular installation. If this equipment
does cause harmful interference to radio
or television reception, which can be
determined by turning the equipment off
and on, the user is encouraged to try to
correct the interference by one or more
of the following measures: Reorient or
relocate the receiving antenna. Increase
the separation between the equipment
and receiver. Connect the equipment into
an outlet on a circuit different from that to
which the receiver is connected. Consult
the dealer or an experienced radio/TV
technician for help.
Page 5
WARNING:
Read all safety
warnings and instructions!
Failure to follow the warnings and
instructions may result in electric shock,
re and / or serious injury. Save all warnings
and instructions for future reference.
WARNING:
Risk of fire and electric
shock. Dry location use only. Do not expose
to rain. Risk of injury.
GENERAL SAFETY RULES
WARNING:
Read all safety
warnings and instructions. Failure to follow
the warnings and instructions may result in
electric shock, fire and/or serious injury.
IMPORTANT SAFETY
INSTRUCTIONS
SAVE THESE INTRUCTIONS
1. This manual contains important safety
and operating instructions for battery
charger Model 252-8037.
2. Before using battery charger, read all
instructions and cautionary markings on
battery charger, battery, and product using
battery.
3. Dry location use only.
4. Do not expose to rain.
SAFETY INSTRUCTIONS
CAUTION:
To reduce risk of injury,
charge only Masterforce
®
Li-ion type
rechargeable batteries. Other types of
batteries may burst, causing personal injury
and damage.
5. To reduce risk of battery explosion,
follow these instructions and those marked
on the battery.
6. Never charge a frozen battery.
7. Do not operate charger in a closed-in
area or restrict ventilation in any way.
8. Save these instructions. Refer to them
frequently and use them to instruct others
who may use this tool. If you lend this tool to
someone else, also lend these instructions
to them to prevent misuse of the product
and possible injury.
DANGER:
People with electronic
devices, such as pacemakers, should
consult their physician(s) before using this
product. Operation of electrical equipment
in close proximity to a heart pacemaker
could cause interference or failure of
the pacemaker.
Page 6
OVERVIEW
SPECIFICATIONS
Charger Input 120V~ 60 Hz 90W
Charging Time for Batteries
30 minutes 20V 1.5Ah Li-Ion (252-8029)
35 minutes 20V 2.0Ah Li-Ion (252-8031)
45 minutes
20V 2.5Ah Li-Ion (252-8030,
252-8003)
70 minutes
20V 4.0Ah Li-Ion (252-8034)
20V 4.0Ah Li-Ion (252-8013)
85 minutes
20V 5.0Ah Li-Ion (252-8035,
252-8005)
125 minutes 20V 7.5Ah Li-ion (252-8007)
Charger Weight 1lb.6oz.(0.63kg)
Optimum Charging Temperature
Range
41°F (5°C) and 104°F (40°C)
Electrical contacts
LED light
Air vents
FIG. 1
Page 7
HOW TO CHARGE THE
BATTERY PACK WITH THE
CHARGER (FIG.1)
A fully discharged battery pack will charge
about 30-125 minutes (depending on battery
type) in the desired surrounding temperature.
1. Charge the battery pack with the correct
charger.
2. Connect the charger to a power supply.
ASSEMBLY
WARNING:
If any part is broken
or missing, do not attempt to plug in the
power cord until the broken or missing part
is replaced. Failure to do so could result in
possible serious injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modication is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the power source
when you are assembling parts, making
adjustments, cleaning, or when it is not
in use. Disconnecting the tool will prevent
accidental starting, which could cause
serious personal injury.
CONTENTS
FLEXPOWER
®
Battery charger, instruction
manual
UNPACKING
1. This product has been shipped
completely assembled.
2. Carefully remove the tool from the box.
Make sure that all items listed in the
packing list are included.
3. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
4. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the tool.
FIG. 1
OPERATION
3. Attach the battery pack to the charger
by aligning the raised ribs of the battery
pack with the slot in the charger . Slide
the battery pack onto the charger.
4. The charger will communicate with the
battery pack’s circuitry to evaluate the
condition of the battery pack.
5. During normal charging, the green LED
on the charger will flash continuously,
the green LEDs on the battery pack will
flash one by one from right to left.
6. After charging is complete, the green
LED on the charger will be on, the green
LED on the battery will remain on for
approximately 30 minutes and then turn
off. The power-indicator LED lights will
not illuminate when the battery pack
power-indicator button is pressed while
the battery pack is on the charger.
7. The battery pack will fully charge, but
will not overcharge, if left on the charger.
Page 8
OPERATION
LED FUNCTIONS OF CHARGER
LED INDICATOR
BATTERY
PACK
RED LED
GREEN
LED
ACTION
Hot/Cold
battery
On Off
Fast charge will
begin when the
battery returns
to 41°F (5°C)
and 104°F (40°C).
Defective Flashing Off
Battery pack or
charger is defective.
Charging Off Flashing Charging
Fully
charged
Off On
Charging is
complete.
CHARGING A HOT
BATTERY PACK
If the battery pack is above the normal
temperature range, the red LED will
illuminate and the green LED will be off.
When the battery pack cools down to
approximately 104°F (40°C), the charger will
automatically begin charging.
CHARGING A COLD
BATTERY PACK
If the battery pack is below the normal
temperature range, the red LED will
illuminate and the green LED will be off.
When the battery warms to a temperature
of more than 41°F (5°C), the charger will
automatically begin charging .
DEFECTIVE BATTERY
If the charger detects a problem, the red LED
will begin flashing and the green LED will be off.
1. If registering as defective, remove and
reinsert the battery pack in the charger.
If the LED status reads “defective” a
second time, try to charge a different
battery pack.
2. If a different battery pack charges
normally, dispose of the defective
battery pack (see Maintenance section).
3. If a different battery pack also indicates
“defective,” the charger may be defective.
Page 9
OPERATION
MAINTENANCE
WARNING:
To avoid serious
personal injury, always disconnect the
plug from the power source when cleaning
or performing any maintenance. Contact a
qualied service technician for ALL repairs.
WARNING:
Avoid using solvents
when cleaning plastic parts. Most plastics
are susceptible to damage from various
types of commercial solvents and may be
damaged by their use. Use a clean cloth to
remove dirt, dust, oil, grease, etc.
BATTERY CHARGING
If the battery pack is within the normal
temperature range, the green LED will begin
flashing and the red LED will be off, the four
green LEDs on the battery pack will flash
one by one from right to left.
BATTERY FULL
After the battery is fully charged, the green
LED Light on the charger will be on and the
red LED light will be off; the green LEDs on
the battery will shine for approximately 30
minutes and then turn off.
NOTICE: The battery pack will fully charge,
but will not overcharge, if left on the charger.
NOTICE: Charger may warm with several
continuous charge cycles. This is part of
the normal operation of the charge. Charge
in a well ventilated area.
WALL-MOUNT HOLES
The charger has hanging holes for conve-
nient storage. Install screws in the wall 3-1/4
inches apart. Use screws sufficiently strong
to hold the combined weight of the charger
and battery pack.
WARNING:
If the supply cord
is damaged, it must be replaced by a
specially prepared cord available through
the service organization.
WARNING:
When servicing, use
only identical replacement parts. Use of any
other parts may create a hazard or cause
product damage. To ensure safety and
reliability, all repairs should be performed
by a qualied service technician.
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The battery pack isn’t
charging
Unconnected to charger
Attach the battery pack to
the charger.
SAVE YOUR RECEIPTS
THIS WARRANTY IS VOID WITHOUT THEM
20 Volt LITHIUM-ION CHARGER
WARRANTY
90-DAY MONEY BACK GUARANTEE:
This MASTERFORCE
®
brand power tool carries our 90-DAY Money Back
Guarantee. If you are not completely satisfied with your MASTERFORCE
®
brand
power tool for any reason within ninety (90) days from the date of purchase, return
the tool with your original receipt to any MENARDS
®
retail store, and we will provide
you a refund – no questions asked.
3-YEAR LIMITED WARRANTY:
This MASTERFORCE
®
brand power tool carries our famous No Hassle 3-Year
Limited Warranty to the original purchaser. If, during normal use, this
MASTERFORCE
®
power tool breaks or fails due to a defect in material or
workmanship within three (3) years from the date of original purchase, simply bring
this tool with the original sales receipt back to your nearest MENARDS
®
retail store.
At its discretion, MASTERFORCE
®
agrees to have the tool or any defective part(s)
repaired or replaced with the same or similar MASTERFORCE
®
product or part
free of charge, within the stated warranty period, when returned by the original
purchaser with original sales receipt. Not withstanding the foregoing, this limited
warranty does not cover any damage that has resulted from abuse or misuse of the
Merchandise. This warranty: (1) excludes expendable parts including but not limited
to blades, brushes, belts, bits, light bulbs, and/or batteries; (2) shall be void if this
tool is used for commercial and/or rental purposes; and (3) does not cover any
losses, injuries to persons/property or costs. This warranty does give you specific
legal rights and you may have other rights, which vary from state to state. Be
careful, tools are dangerous if improperly used or maintained. Seller’s employees
are not qualified to advise you on the use of this Merchandise. Any oral
representation(s) made will not be binding on seller or its employees. The rights
under this limited warranty are to the original purchaser of the Merchandise and may
not be transferred to any subsequent owner. This limited warranty is in lieu of all
warranties, expressed or implied including warranties or merchantability and fitness
for a particular purpose. Seller shall not be liable for any special, incidental, or
consequential damages. The sole exclusive remedy against the seller will be for the
replacement of any defects as provided herein, as long as the seller is willing or
able to replace this product or is willing to refund the purchase price as provided
above. For insurance purposes, seller is not allowed to demonstrate any of these
power tools for you.
For questions / comments, technical assistance or repair parts – Please Call Toll
Free at: 1-866-917-4374. (M-F 8:30am – 5:00pm Est.)
01/2023
© 2023 Menard, Inc., Eau Claire, WI 54703
252-8005
OPERATOR’S MANUAL
CAUTION:
To Reduce The Risk Of Injury, User Must
Read And Understand Operator’s Manual. Save These
Instructions For Future Reference.
For questions / comments, technical assistance or repair parts –
Please Call Toll Free: 1-866-917-4374. (M-F 8:30am-5:00pm Est.)
20V BOOST Lithium-Ion Battery
Pack
TABLE OF CONTENTS
Safety Symbols ......................................................... Page 2
Safety Instructions ...................................................... Page 3
Overview/Specifications ................................................. Page 6
Assembly ............................................................. Page 7
Operation ............................................................. Page 8
Maintenance .......................................................... Page 11
Troubleshooting ....................................................... Page 12
Page 2
SAFETY SYMBOLS
Some of these following symbols may be used on this tool. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the tool better and
more safely.
Symbol
Name
Designation / Explanation
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watts Power
∿
Alternating current Type of current
�
or d.c.
Direct current Type or characteristic of current
n
o
No-load speed Rotational speed at no load
lbs Pounds Weight
Class II construction Double insulated construction
.../min Per minute
Revolutions, strokes, surface speed
orbits, etc., per minute
Wear safety goggles
WARNING:
The operation of any
power tool can result in foreign objects
being thrown into your eyes, which can
result in severe eye damage. Before
beginning power tool operation, always
wear safety goggles or safety glasses
with side shields and a full-face shield
when needed. We recommend a Wide
Vision Safety Mask for use over eye-
glasses or standard safety glasses with
side shields. Always use eye protection
which is marked to comply with
ANSI Z87.1.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualied service technician.
Page 3
SAFETY INSTRUCTIONS
The purpose of safety symbols is to attract your attention to possible dangers. The safety
symbols and the explanations with them deserve your careful attention and understanding.
The symbol warnings do not, by themselves, eliminate any danger. The instructions and
warnings they give are no substitutes for proper accident prevention measures.
WARNING:
Be sure to read and understand all safety instructions in this manual,
including all safety alert symbols such as “DANGER,” ”WARNING,” and “CAUTION”
before using this tool. Failure to following all instructions listed below may result in
electric shock, re, and/or serious personal injury.
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION.
May be used in conjunction with other symbols or pictographs.
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE: (Without Safety Alert Symbol) Indicates a situation that may result in property
damage.
SAVE THESE INSTRUCTIONS!
Page 4
SAFETY INSTRUCTIONS
WARNING:
Read all safety
warnings and instructions!
Failure to follow the warnings and
instructions may result in electric shock, fire
and/or serious injury. Save all warnings and
instructions for future reference.
The “term power tool” in the warnings refers
to your mains-operated (corded) power tool
or battery-operated (cordless) power tool.
WARNING:
Risk of re and
electric shock. Dry location use only. Do
not expose to rain. Risk of injury.
WORK AREA SAFETY
1. Keep the work area clean and well lit.
Cluttered or dark areas invite accidents.
2. Do not operate power tools in explosive
atmospheres, such as in the presence of
ammable liquids, gases or dust. Power
tools create sparks that may ignite the dust
or fumes.
3. Keep children and bystanders away
while operating a power tool. Distractions
can cause you to lose control.
ELECTRICAL SAFETY
1. Avoid body contact with earthed
or grounded surfaces, such as pipes,
radiators, ranges and refrigerators. There
is an increased risk of electric shock if your
body is earthed or grounded.
2. Do not expose power tools to rain or
wet conditions. Water entering a power tool
will increase the risk of electric shock.
BATTERY TOOL USE
AND CARE
1. Recharge only with the charger
specied by the manufacturer. A charger
that is suitable for one type of battery pack
may create a risk of fire when used with
another battery pack.
2. Use power tools only with specically
designated battery packs. Use of any
other battery packs may create a risk of
injury and fire.
3. When the battery pack is not in use,
keep it away from other metal objects,
such as paper clips, coins, keys, nails,
screws or other small metal objects that
can make a connection from one terminal
to another. Shorting the battery terminals
together may cause burns or a fire.
4. Under abusive conditions, liquid may
be ejected from the battery; avoid contact.
If contact accidentally occurs, flush with
water. If liquid contacts eyes, also seek
medical help. Liquid ejected from the battery
may cause irritation or burns.
SERVICE
1. Have your power tool serviced by a
qualied repair person, using only identical
replacement parts. This will ensure that the
safety of the power tool is maintained.
SPECIFIC SAFETY RULES FOR
BATTERY PACK
1. Use battery only with chargers listed.
Battery pack Charger
252-8005
252-8025
252-8026
252-8037
Page 5
SAFETY INSTRUCTIONS
2. Know your power tool. Read the
Instruction Manual carefully. Learn the tool’s
applications and limitations, as well as the
specific potential hazards related to this
tool. Following this rule will reduce the risk
of electric shock, fire, and serious injury.
3. Do not place the battery near re or
heat. This will reduce the risk of explosion
and possible injury.
4. Do not crush, drop or damage the
battery pack. Do not use a battery pack or
charger that has been dropped or received
a sharp blow. A damaged battery is subject
to explosion. Properly dispose of a dropped
or damaged battery immediately.
5. Batteries vent hydrogen gas and can
explode in the presence of a source of
ignition, such as a pilot light. To reduce
the risk of serious personal injury, never use
any cordless product in the presence of an
open flame. An exploded battery can propel
debris and chemicals. If exposed, flush the
exposed area with water immediately.
6. Do not charge the battery in a damp or
wet location. Following this rule will reduce
the risk of electric shock.
7. For best results, your battery should
be charged in a location where the
temperature is more 41°F (5°C)but less
that 104°F (40°C). Do not store outside or
in vehicles.
8. Under extreme usage or temperature
conditions, battery leakage may occur.
If liquid comes in contract with your skin,
wash immediately with soap and water,
then neutralize with lemon juice or vinegar.
If liquid gets in your eyes, flush them with
clean water for at least 10minutes, and
then seek immediate medical attention.
Following this rule will reduce the risk of
serious personal injury.
9. Do not let gasoline, oils, petroleum-
based products, etc. come in contract with
plastic parts. They contain chemicals that
can damage, weaken or destroy plastic.
10. Have your battery pack serviced by a
qualied repair person using only identical
replacement parts. This will ensure that the
safety of the battery pack is maintained.
11. Save these instructions. Refer to them
frequently and use them to instruct others
who may use this tool. If you lend someone
this tool, lend these instructions also to
prevent misuse of the product and possible
injury.
Page 6
OVERVIEW
Electrical contacts
Power indicator button
Battery-release button
Power indicator
SPECIFICATIONS
Battery Type Lithium-Ion
Battery Voltage 20V d.c.
Battery Weight 1lb. 9oz. (0.72kg)
Battery Capacity 5.0Ah
Recommended Operating
Temperature
41°F(5°C)—104°F (40°C )
FIG. 1
Page 7
WARNING:
If any part is broken
or missing, do not attempt to plug in the
power cord or operate the tool until the
broken or missing part is replaced. Failure
to do so could result in possible serious
injury.
WARNING:
Do not attempt to
modify this tool or create accessories not
recommended for use with this tool. Any
such alteration or modication is misuse
and could result in a hazardous condition
leading to possible serious injury.
WARNING:
Your tool should
never be connected to the power source
when you are assembling parts, making
adjustments, cleaning, or when it is not in
use. Disconnecting the tool will prevent
accidental starting, which could cause
serious personal injury.
ASSEMBLY
CONTENTS
Battery pack and instruction manual
UNPACKING
1. This product has been shipped
completely assembled.
2. Carefully remove the tool and any
accessories from the box. Make sure
that all items listed in the packing list
are included.
3. Inspect the tool carefully to make sure
that no breakage or damage occurred
during shipping.
4. Do not discard the packing material
until you have carefully inspected and
satisfactorily operated the tool.
Page 8
OPERATION
POWER INDICATOR (FIG. 2)
This Lithium-Ion battery pack is equipped
with a power indicator that displays the
battery pack’s charge status. Press the power
indicator button to display the LED lights.
LOW CAPACITY WARNING
If one LED on the power indicator begins to
flash, the battery pack’s charge is under 20%
capacity and should be recharged soon.
Unlike other battery pack types, Lithium-Ion
battery packs deliver fade-free power for their
entire run time. The tool will not experience a
slow, gradual loss of power as you work. To
signal that the battery pack is at the end of its
run time and needs to be charged, power to
the tool will drop quickly.
The power indicator will begin to display
four flashing LED lights when it is completely
discharged. When this happens, remove
the tool from the workpiece and charge the
battery pack as needed.
BATTERY PROTECTION
To protect the battery from damage and
prolong its life, the battery pack circuitry
will turn off the battery pack if it becomes
overloaded or if the temperature becomes too
high during use. This may happen in extremely
high torque, binding and stalling situations.
The battery pack will begin normal operation
when it cools down.
The power indicator will display four flashing
LED lights if the circuitry detects a momentary
overload. You can conveniently reset the
battery pack by releasing the power-tool
trigger. Press the power indicator button again
to display the remaining charge.
NOTICE: If the power indicator continues to
ash four LED lights after resetting, place
the battery pack on the charger to evaluate
the battery condition.
NOTICE: A signicantly reduced run time
after fully charging the battery pack indicates
that the battery is near the end of its usable
life and must be replaced.
FIG. 2
80-100% Charge
60-79% Charge
40-59% Charge
20-39% Charge
Under 20% Charge
Completely Discharged
High/low temperature
The LED lights will stay lit for approximately
4 seconds.
NOTICE: The power indicator can be
used whether the battery is attached to or
removed from the tool.
Page 9
OPERATION
COLD WEATHER OPERATION
When the battery pack is very cold, it may
“pulse” for the first minute of use to warm
itself. Put the battery pack on a tool and use
the tool in a light application. After about a
minute, the battery pack will have warmed
itself and will operate normally.
WHEN TO CHARGE THE
BATTERY PACK
The Lithium-Ion battery can be charged at
any time and will not develop a “memory”
when charged after only a partial discharge.
It is not necessary to run down the battery
pack charge before recharging. Remove
the battery pack from the tool when it is
convenient for you and your job.
1. Use the power indicator to determine when
you need to recharge the battery pack.
2. You can “top-off” your battery pack’s
charge before starting a big job or long
period of use.
3. Due to Lithium-Ion’s fade-free
properties, the only time it is necessary
to charge the Lithium- Ion battery pack
is when the pack has reached the end of
its charge. To signal the end of charge,
power to the tool will drop quickly.
Charge the battery pack as needed.
HOW TO CHARGE THE BATTERY
PACK (FIG. 3)
1. Charge the battery pack with the correct
charger.
2. Connect the charger to a power supply .
3. Attach the battery pack to the charger
by aligning the raised ribs of the battery
pack with the slot in the charger. Slide
the battery pack onto the charger.
4. The charger will communicate with the
battery pack’s circuitry to evaluate the
condition of the battery pack.
5. During normal charging, the green LED
on the charger will flash continuously.
6. After charging is complete, the green
LED on the charger will be on. The
power indicator LED lights will not be
displayed when the power indicator
button is pressed while the battery pack
is on the charger.
7. The battery pack will fully charge, but
will not overcharge, if left on the charger.
HOW TO KNOW THE CHARGE
CONDITION OF BATTERY PACK
DURING CHARGING
The LED lights on the battery pack are
displayed as the pack is being charged,
indicating how fully charged the pack is.
The first LED light on the battery pack
flashes to indicate that the battery pack is
0%-25% charged.
The first LED light on the battery pack is
solid and the second flashes to indicate that
the battery pack is 25%-50% charged.
The first two LED lights on the battery pack
are solid and the third flashes to indicate
that the battery pack is 50%-75% charged.
The first three LED lights on the battery pack
are solid and the fourth flashes to indicate
that the battery pack is 75%-100% charged.
When it is fully charged, all the LED lights on
the battery pack will be solid for about 30
minutes then will turn off.
FIG. 3
Page 10
OPERATION
CHARGING A HOT
BATTERY PACK
If the battery pack is above the normal
temperature range, the red LED will
illuminate and the green LED will be off.
When the battery pack cools down to
approximately 104° F(40 °C), the charger will
automatically begin charging.
CHARGING A COLD
BATTERY PACK
If the battery pack is below the normal
temperature range, the red LED will
illuminate and the green LED will be off.
When the battery warms to a temperature
of more than 41°F (5°C), the charger will
automatically begin charging.
LED FUNCTIONS OF CHARGER (FIG. 4)
LED INDICATOR
BATTERY
PACK
RED
LED
GREEN
LED
ACTION
HI / LO TEMP.
Hot/Cold
battery
On Off
Fast charge will begin
when battery returns
to between 41°F (5°C)
and 104°F (40°C)
DEFECTIVE
BATTERY
Defective Flashing Off
Battery pack or
charger is defective
BATTERY
CHARGING
Charging Off Flashing Charging
BATTERY
FULL
Fully
charged
Off On
Charging is
complete
DEFECTIVE BATTERY
If the charger detects a problem, the red LED
will begin flashing and the green LED will be off.
1. If registering as defective, remove and
reinsert the battery pack in the charger.
If the LED status indicates “defective”
a second time, try to charge a different
battery pack.
2. If a different battery pack charges
normally, dispose of the defective
battery pack (see Maintenance section).
3. If a different battery pack also indicates
“defective,” the charger may be defective.
FIG. 4
Page 11
MAINTENANCE
WARNING:
To ensure safety and
reliability, all repairs should be performed
by a qualied service technician.
WARNING:
Always wear safety
goggles or safety glasses with side
shields when using compressed air to
clean tool. If the operation is dusty, also
wear a dust mask.
WARNING:
To avoid serious
personal injury, always remove the battery
pack from the tool when cleaning or
performing any maintenance.
BATTERIES:
The battery pack is equipped with Lithium-
Ion rechargeable batteries. The duration of
use from each charge will depend on the
type of work performed.
The batteries in this tool have been designed
to provide maximum trouble-free life. Like
all batteries, they will eventually wear out.
Do not disassemble the battery pack or
attempt to replace the batteries. Handling
the batteries, especially when wearing rings
and jewelry, could result in a serious burn.
To obtain the longest possible battery life,
read and understand the operator’s manual.
It is good practice to unplug the Charger
and remove the Lithium-Ion battery pack
when it is not in use. For Lithium-Ion battery
pack storage longer than 30 days:
1. Store the Lithium-Ion battery pack
where the temperature is below 80°F
(26°C) and free of moisture.
2. Store Lithium-Ion battery packs in a
30%-50% charged condition.
3. Every six months of storage, fully charge
the Lithium-Ion battery pack.
4. Exterior may be cleaned with a cloth or
soft non-metallic brush.
BATTERY PACK REMOVAL AND
PREPARATION FOR RECYCLING
To preserve natural resources, please
recycle or dispose of batteries properly.
This product contains Lithium-Ion batteries.
Local, state, or federal laws may prohibit
disposal of Lithium-Ion batteries in ordinary
trash. Consult your local waste authority for
information regarding available recycling
and/or disposal options.
WARNING:
Upon removal of the
battery pack for disposal or recycling,
cover the battery pack’s terminals
with heavy-duty adhesive tape. Do not
attempt to destroy or disassemble battery
pack or remove any of its components.
Lithium-Ion batteries must be recycled or
disposed of properly. Never touch both
terminals with metal objects and/or body
parts as short circuit may result. Keep
away from children. Failure to com-ply
with these warnings could result in re
and/or serious injury.
Page 12
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
The battery pack
isn’t charging
Unconnected to charger
Attach the battery pack to
the charger.
Page 13
NOTES
Page 14
NOTES
06/2015
© 2015 Menard, Inc., Eau Claire, WI 54703
