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Symbology
Direct Current
Impacts per Minute Under Load
(IPM)
No Load Revolutions per Minute
(RPM)
Underwriters Laboratories, Inc.
United States and Canada
Specifi cations
Volts
Drive
Cat. No.
RPM
DC
Shank
2450-20
12
0-2 000
1/4" Hex
0-3 000
WARNING
Recharge only with the
charger specifi ed for the battery. For specifi c
charging instructions, read the operator's
manual supplied with your charger and bat-
tery.
Inserting/Removing the Battery
To remove the battery, push in the release buttons
and pull the battery pack away from the tool.
To insert the battery, slide the pack into the body of
the tool. Make sure it latches securely into place.
Fig. 1
Release
buttons
Functional Description
4
3
2
1
1.
Trigger
2.
Control switch
IPM
3.
LED
4.
Hex drive chuck
5.
Fuel Gauge
ASSEMBLY
WARNING
Always remove battery
pack before changing or removing acces-
sories. Only use accessories specifically
recommended for this tool. Others may be
hazardous.
WARNING
Use only sockets and other
accessories specifi cally designed for use on
impact wrenches and drivers. Other sockets
and accessories might shatter or break caus-
ing injury.
Attaching and Removing Accessories
This impact driver is intended for use with drill and
driver bits.
1.
To attach an accessory, pull the ring out and
insert the accessory shank. Release the ring.
It may be necessary to pull the bit out slightly
to engage the holding mechanism.
2.
To remove the accessory, pull out the ring and
remove the accessory. Release the ring.
Fig. 1
4
WARNING
Always remove battery
pack before changing or removing acces-
sories. Only use accessories specifically
recommended for this tool. Others may be
hazardous.
WARNING
To reduce the risk of injury,
wear safety goggles or glasses with side
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shields.
Fuel Gauge
To determine the amount of charge left in the bat-
tery, pull the trigger. The Fuel Gauge will light up
for 2-3 seconds.
To signal the end of charge, 1 light on the fuel gauge
will fl ash for 2-3 seconds.
Using 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.
Fig. 2
Push for
Forward
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 posi-
tion.
Always lock the trigger or remove the battery
pack before performing maintenance, chang-
ing accessories, storing the tool and any time
the tool is not in use.
OPERATION
Starting, Stopping and Controlling Speed
These tools 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.
3.
To stop the tool, release the trigger.
Impacting Techniques
The longer a bolt, screw, or nut is impacted, the
tighter it will become. To help prevent damaging the
fasteners or workpieces, avoid excessive impact-
ing. Be particularly careful when impacting smaller
fasteners because they require less impacting to
reach optimum torque.
Practice with various fasteners, noting the length
of time required to reach the desired torque. Check
the tightness with a hand-torque wrench. If the
fasteners are too tight, reduce the impacting time.
If they are not tight enough, increase the impact-
ing time.
Oil, dirt, rust or other matter on the threads or
under the head of the fastener affects the degree
of tightness.
The torque required to loosen a fastener averages
Push for
75% to 80% of the tightening torque, depending on
Reverse
the condition of the contacting surfaces.
On light gasket jobs, run each fastener down to a
relatively light torque and use a hand torque wrench
for fi nal tightening.
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