4
OPERATION
WARNING
Always remove battery pack before
changing or removing accesso-
ries. Only use accessories specifically recom
-
mended for this tool. Others may be hazardous.
To reduce the risk of injury, always wear safety
goggles or glasses with side shields.
Using the Control Switch
The
control switch may be set to three positions: for
-
ward, reverse and lock. Due to a lockout mechanism,
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.
Push for
Forward
Push for
Reverse
PUSH TO CENTER TO LOCK
1. For
forward
(clockwise) rotation, push the control
switch in the direction shown. Check the direction
of rotation before use.
2. For
reverse
(counterclockwise) 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, changing accessories, storing the
tool and any time the tool is not in use.
Starting, Stopping and Controlling Speed
This tool may be operated at any speed from 0 to
full speed.
1. To
start
the tool, pull the trigger.
NOTE:
An LED is turned on when the trigger is
pulled.
2. To
vary
the driving speed, simply increase or
decrease pressure on the trigger. The further the
trigger is pulled, the greater the speed, up to the
maximum speed set by the speed control switch.
3. To
stop
the tool, release the trigger and the electric
brake stops the tool instantly.
Speed Control Switch
(2851-20 only)
Allow the tool to come to a
Speed
indicator
Speed
control
switch
complete stop before chang-
ing speeds. Slide the selec
-
tor switch from side to side
to select the maximum
speed. Select "1" for the
lowest speed. Select "3" for the highest speed.
2851-20
1
2
3
RPM
0 - 1700
0 - 2600
0 - 3400
IPM
0 - 1500
0 - 3400
0 - 4200
ASSEMBLY
WARNING
Recharge only with the charger
specified for the battery. For spe
-
cific 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 specifically
recommended for this tool. Others
may be hazardous.
Use only sockets and other accessories specifi
-
cally designed for use on impact wrenches and
drivers. Other sockets and accessories might
shatter or break causing injury.
Attaching and Removing Accessories
These impact drivers are intended for use with drill
and driver bits.
(2850-20 only)
1. To attach an accessory, pull out the ring (1) and
press the shank into the hex drive chuck (2).
2. To remove the accessory, pull out the ring (1) and
remove the accessory (2). Release the ring.
2
1
2
1
INSERT
REMOVE
(2851-20 only)
1. To attach an accessory, press the shank into the
hex drive chuck (1).
2. To remove the accessory, pull out the ring (1) and
remove the accessory (2). Release the ring.
INSERT
REMOVE
1
2
1
