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4
OPERATION
WARNING
To reduce the risk of injury, always
wear proper eye protection marked
to comply with ANSI Z87.1.
When working in dusty situations, wear appro-
priate respiratory protection or use an OSHA
compliant dust extraction solution.
Using the Control Switch
The control switch may be set to three positions:
forward, reverse and lock. Due to a lockout mecha-
nism, the control switch can only be adjusted when
the ON/OFF switch is not pressed. Always allow the
motor to come to a complete stop before using the
control switch.
1. For forward (clockwise) rota-
CENTER TO LOCK
Forward
Reverse
tion, push the control switch
in the direction shown. Check
the direction of rotation
before use.
2. For reverse (counterclock-
wise) rotation, push the control switch in the
direction shown. Check the direction of rotation
before use.
3. To lock the trigger, push the control switch to the
center position. The trigger will not work when the
control switch is in the locked position.
Always remove the battery pack before performing
maintenance or changing accessories. Always
lock the trigger or remove the battery pack before
storing the tool and any time the tool is not in use.
Selecting Speed
Cat. No. 2854-20
Mode RPM IPM
Fastening
Torque
(ft-lbs)
Nut-Busting
Torque
(ft-lbs)
1 0-800 0-1000 Up to 65* Up to 65*
2 0-1650 0-2400 Up to 150* Up to 150*
3 0-2400 0-3500 Up to 250* Up to 250*
0-2400 0-3500 Up to 20*
†
Up to 250*
Cat. No. 2855-20 & 2855P-20
Mode RPM IPM
Fastening
Torque
(ft-lbs)
Nut-Busting
Torque
(ft-lbs)
1 0-900 0-1000 Up to 65* Up to 65*
2 0-1650 0-2400 Up to 150* Up to 150*
3 0-2400 0-3500 Up to 250* Up to 250*
0-2400 0-3500 Up to 20*
†
Up to 250*
* Torque values depend on many factors such as state of
battery discharge, battery size, impacting time, bolt size,
etc. Always check with a torque wrench to ensure desired
torque value is achieved. This is not a precision fasten-
ing tool.
†Auto Shut-o mode
Allow the tool to come to a complete stop before
changing speeds. Press the selector button
to
cycle between the settings.
SPECIFICATIONS
Cat. No. .....................2854-20, 2855-20, 2855P-20
RPM ............................................................. 0-2400
IPM .............................................................. 0-3500
Volts.............................................................. 18 DC
Battery Type .................................................M18™
Charger Type................................................M18™
Recommended Ambient
Operating Temperature ......................0°F to 125°F
ASSEMBLY
WARNING
Recharge only with the charger
specied for the battery. For spe-
cic charging instructions, read the operator’s
manual supplied with your charger and battery.
Removing/Inserting the Battery
To remove the battery, push in the release buttons
and pull the battery pack away from the tool.
WARNING
Always remove battery pack before
changing or removing accessories.
To insert the battery, slide the pack into the body
of the tool. Make sure it latches securely into place.
WARNING
Only use accessories specically
recommended for this tool. Others
may be hazardous.
Use only sockets and other accessories speci-
cally designed for use on impact wrenches and
drivers. Other sockets and accessories might
shatter or break causing injury.
Attaching and Removing Accessories
Square Drive Impact Wrenches
(Cat. No. 2854-20, 2855-20)
1. Use only the appropriate size Square Drive
Sockets.
2. To attach a socket, align the accessory with the
anvil and push it rmly over the retaining ring.
3. To remove the accessory, pull the accessory o
the anvil.
Square Drive Impact Wrench with Pin Detent
(Cat. No. 2855P-20)
1. Use only the appropriate size Square Drive
Sockets.
2. To attach a socket, align the hole in the accessory
with the detent pin on the anvil. Hold the detent
pin in while pushing the socket onto the anvil.
The detent pin will snap into place in the hole to
secure the socket.
3. To remove the socket, insert a nail or other thin
object into the hole in the accessory and press
in the detent pin. Pull the accessory o the anvil.
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