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OPERATION
WARNING:
Make sure to insert the bit straight into the chuck
jaws. Do not insert the bit into the chuck jaws at an
angle, then tighten. This could cause the bit to be
thrown from the drill, resulting in possible serious
personal injury or damage to the chuck.
Rotate the chuck sleeve to close and tighten the chuck
jaws.
WARNING:
Do not hold the chuck sleeve with one hand and
use the power of the drill to tighten the chuck jaws
on the bit. The chuck sleeve 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.
To remove bits, lock the switch trigger and open the
chuck jaws.
The bit provided with the drill can be placed in the storage
area, located on the base of the drill.
LED LIGHT
See Figure 8, page 12 (R86115).
The LED light, located on the front of the tool base,
illuminates when the switch trigger is depressed.
When the tool is not in use, the time-out feature will cause
the light to start fading and then shut off.
The LED light illuminates only when there is a charged battery
pack in the tool.
TWO-SPEED GEAR TRAIN
See Figure 9, page 12 (R86115).
Select low speed (1) for applications requiring higher
power and torque, such as driving screws and drilling in
metal.
Select high speed (2) for fast drilling or driving applications,
for drilling in wood or masonry, and for hammer drilling.
NOTICE:
Never change speeds while the tool is running.
Failure to obey this caution could result in serious
damage to the drill.
NOTE: If you have difficulty changing from one speed range
to the other, turn the chuck by hand until the gears engage.
ADJUSTING TORQUE
See Figure 10, page 12 (R86115).
When using the hammer drill for various driving applications,
beginning with a lower torque setting helps prevent the pos-
sibility of damaging screw heads, threads, workpiece, etc.
In general, torque intensity should correspond to the screw
diameter. If the torque is too high or the screws too small, the
screws may be damaged or broken. The torque is adjusted
by rotating the torque adjustment ring.
The torque is greater when the torque adjustment ring is
set on a higher setting. The torque is less when the torque
adjustment ring is set on a lower setting.
Rotate the adjustment ring to the proper torque setting for
the type of material and size of screw you are using.
• 1 - 4
For driving small screws
• 5 - 8
For driving screws into soft material
• 9 - 12
For driving screws into soft and hard materi-
als
• 13 - 16 driving screws into hard wood
• 17 - 22 For driving large screws
•
For heavy drilling
•
For drilling into masonry and concrete.
DRILLING/DRIVING SCREWS
See Figure 11, page 12 (R86115).
WARNING:
Always use the auxiliary handle when using this
tool to help resist torque reactions. Binding or
stalling of this product could lead to serious
personal injury.
Install the auxiliary handle.
Check the direction of rotation selector for the correct
setting (forward or reverse).
Select low speed (1) or high speed (2), depending on
your application. Refer to Two-Speed Gear Train and
Adjusting Torque.
Secure the workpiece in a vise or with clamps to keep it
from turning as the bit rotates.
Hold the drill firmly and place the bit at the point to be
drilled, or where the screw is to be driven.
WARNING:
Do not drive a screw where there is likely to be
hidden wiring behind the surface. Contact with a
"live" wire will make exposed metal parts of the tool
"live" and possibly shock the operator. If you must
drive a screw where hidden wire may be present,
always hold tool by insulated gripping surfaces
(handle) when performing the operation to prevent
a shock to the operator.
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