241-0493
OSCILLATING
MULTI-TOOL
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/Specifications ................................................. Page 8
Assembly ............................................................. Page 9
Operation ............................................................. Page 9
Maintenance .......................................................... Page 13
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.
WARNING:
To ensure safety and reliability, all repairs should be performed by a
qualified service technician.
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
OPM
Oscillations per
minute
Unit of speed
�
or d.c
Direct current Type of characteristic of current
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, 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 energizing 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.
SAFETY INSTRUCTIONS
Page 5
SAFETY INSTRUCTIONS
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 jewelry. Keep your hair
and clothing away from moving parts.
Loose clothes, jewelry 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 behavior 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 WARNINGS
FOR MULTI-TOOL
1. Hold the power tool by insulated
gripping surfaces, when performing
an operation where the cutting tool
may contact hidden wiring. Cutting
tool contacting a “live” wire may make
exposed metal parts of the tool “live”
and could give the operator an electric
shock.
2. A suitable breathing respirator must be
worn while sanding lead paint, some
woods and metal to avoid breathing
the harmful/toxic dust or air.
3. Always wear safety goggles and a dust
mask when sanding, especially when
sanding over-head.
4. The machine is not suitable for wet
sanding.
5. Do not use sanding paper larger than
needed. Extra paper extending beyond
the sanding pad can cause serious
lacerations.
6. Secure the workpiece. A workpiece
clamped with clamping devices or in a
vice is held more securely than by hand.
7. Keep hands away from the cutting
range. Do not reach under the
workpiece. Contact with the blade can
lead to injuries.
8. Keep your hands away from the motor-
housing vents. Hot air comes from the
vents during operation.
Page 7
SAFETY INSTRUCTIONS
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.
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
Quick-Release Lever
On/Off Switch
LED Worklight
Variable-Speed Dial
Accessory Plate
SPECIFICATIONS
Rated Voltage 20 V d.c.
Maximum Oscillation Rate 11,000~18,000OPM
Oscillation Angle ±1.8°
Weight (without battery) 2 lb 5oz
Flange Bolt
Page 9
CONTENTS
Oscillating multi-tool, HCS wood plunge-cut
blade 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.
ASSEMBLY
OPERATION
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 snap 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
components.
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.
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 possibly 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.
Page 10
OPERATION
ON/OFF SWITCH (FIG.2)
FIG. 2
On/Off Switch
1. To turn the tool on, push the on/off
switch forward.
2. To turn the tool off, pull the on/off
switch backward.
LED WORKLIGHT (FIG.3)
FIG. 3
LED Worklights
The LED worklights, located on the front
of the multi-tool, provide additional
light on the surface of the workpiece
for operation in lower-light areas. The
LED worklights will illuminate when
the switch is pushed forward. The LED
worklights will turn off when the switch
is pulled backward.
VARIABLE-SPEED DIAL
(FIG.4)
FIG. 4
Variable - Speed Dial
The variable-speed feature on this multi-
tool allows you to match the proper speed
to the material being cut, sawed, scraped,
or sanded, thereby enhancing the overall
performance of your tool and helping to
save the accessory from undue wear.
The variable-speed dial is used to adjust
the speed of the accessory . Turn the dial
to increase or decrease the speed of the
tool. Position “1” selects the slowest speed;
position “6” selects the fastest speed.
Adjust the speed for optimum performance.
Page 11
OPERATION
SELECTING THE ACCESSORY
ACCESSORY MATERIAL APPLICATION
HCS wood
plunge-cut
blade
Wood, plastic,
drywall, and other
materials
Compatible brands of accessories
Rockwell
®
Sonicrafter, Dremel
®
, Bosch
®
starlock, Bosch
®
OIS, Dewalt
®
, Ridgid
®
, Skil
®
,
Kobalt
®
, Masterforce
®
, Performax
®
,
Imperial One Fit
INSTALL THE OPEN-LOOP
ACCESSORY (FIG.5)
FIG. 5a
Quick-Release Lever
FIG. 5b
Quick-Release Lever
FIG. 5c
Flange Bolt
1. Make sure that the on/off switch is in the
OFF position and remove the battery pack.
2. Turn the quick-release lever
counterclockwise until you hear a “click”
sound (FIG.5a). If the quick-release lever
is not turned to the correct position, it
may kick back to the locked position,
leaving no space to install the open-
loop accessory onto the accessory
plate (FIG.5b).
3. Ensure that the accessory plate and the
drive shaft are clean. Align the grooves
on the suitable accessory with the ribs
on the accessory plate.
Put the accessory onto the accessory
plate (FIG.5c).
4. Turn the quick-release lever back to
lock the drive shaft. Make sure that the
flange bolt is in the locked position.
Accessory
Plate
Page 12
OPERATION
REMOVE THE OPEN-LOOP
ACCESSORY
FIG. 5d
1. Make sure that the on/off switch is in
the OFF position and remove the battery
pack.
2. Turn the quick-release lever
counterclockwise until you hear a
“click” sound.
3. Remove the accessory from the tool.
NOTICE: Attach the accessory in the
desired orientation for the task at hand.
The shaft is configured so that most
application accessories can be installed
around the tool in 30° increments.
WARNING:
A blade should never
be attached so that it is facing backwards,
as operation in this position may cause
serious injury (FIG.5d).
WARNING:
Always wear protective
gloves when changing accessories. The
edges of the accessories are sharp and
can become very hot after working.
WARNING:
Check that the
accessories are correctly attached.
Incorrectly or insecurely fastened
accessories can come loose during
operation and cause a hazard.
NOTICE: The closed-loop accessories can
also be installed on the multi-tool.
1. Open the quick-release lever.
2. Unlock and remove the flange bolt.
3. Put the closed-loop accessory on the
accessory plate, insert the flange bolt
into the hole, and then lock the flange
bolt.
4. Turn the quick-release lever back.
CUTTING
Saw blades are ideal for making precise
cuts in tight areas, close to edges or flush
to a surface.
1. Select a medium to high speed for
making the initial plunge.
2. Start at medium speed for increased
control.
3. After making your initial cut, you may
increase speed for faster cutting.
Page 13
MAINTENANCE
The tool may be cleaned most effectively
with compressed dry air. Always wear
safety goggles when cleaning tools with
compressed air. Before each use:
• Inspect the cordless tool and the
trigger switch for damage.
• Check for damaged, missing, or worn
parts.
• Check for loose screws, misalignment
or binding of moving parts, or any other
condition that may affect the operation.
• If abnormal vibration or noise occurs,
turn the cordless tool off immediately,
and have the problem corrected before
further use.
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.
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.
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
The multi-tool does not work.
Battery is depleted. Charge the battery pack.
Battery or the tool is
overloaded.
Decrease the load on the
tool and then restart the tool.
Battery pack is not
installed properly.
Confirm battery is locked
and secured to the tool.
The battery or the tool is
overheated.
Cool the battery and tool,
and then restart the tool.
The motor is overheating.
Be sure the cooling vents
are free of dust and
obstacles.
Clean and clear vents. Do
not cover with hand during
operation.
The flange bolt falls out from
the tool.
The flange bolt is not
correctly installed.
Open the quick-release lever,
insert the flange bolt into the
hole, lock the flange bolt and
then turn the quick-release
lever back.
Page 14
SAVE YOUR RECEIPTS
THIS WARRANTY IS VOID WITHOUT THEM
OSCILLATING MULTI-TOOL
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).
Page 15
05/2020
© 2020 Menard, Inc., Eau Claire, WI 54703
