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Drilling (Fig. C)
NOTICE: If drilling thin material, use a wood "back-up" block
to prevent damage to the material.
1. Select the desired speed/torque range using the gear
shifter
6
to match the speed and torque to the planned
operation. Turn the collar
2. Use sharp drill bits only. For MASONRY, such as brick,
cement, cinder block, etc., use carbide-tipped bits rated for
percussion drilling.
3. Always apply pressure in a straight line with the bit. Use
enough pressure to keep drill biting, but do not push hard
enough to stall the motor or deflect the bit.
4. Hold tool firmly with both hands to control the twisting
action of the drill. If model is not equipped with side handle,
grip drill with one hand on the handle and one hand on the
battery pack.
WARNING: Drill may stall if overloaded causing a sudden
twist. Always expect the stall. Grip the drill firmly to control the
twisting action and avoid injury.
5. IF DRILL STALLS, it is usually because it is being
overloaded or improperly used. RELEASE TRIGGER
IMMEDIATELY, remove drill bit from work, and determine
cause of stalling. DO NOT depress TRIGGER ON AND OFF
IN AN ATTEMPT TO START A STALLED DRILL — THIS CAN
DAMAGE THE DRILL.
6. To minimize stalling or breaking through the material,
reduce pressure on drill and ease the bit through the last
fractional part of the hole.
7. Keep the motor running when pulling the bit back out of
a drilled hole. This will help prevent jamming.
Drill Settings
Speed 1
Speed 2
Speed 3
Hammerdrilling (Fig. D)
1. Select the desired speed/torque range using the gear
shifter
to match the speed and torque to the planned
6
operation. Turn the collar
iMPORTAnT: Use carbide-tipped or masonry bits rated for
percussion drilling only.
2. Drill with just enough force on the hammer to keep it
from bouncing excessively or "rising" off the bit. Too much
force will cause slower drilling speeds, overheating, and a
lower drilling rate.
3. Drill straight, keeping the bit at a right angle to the
work. Do not exert side pressure on the bit when drillling
as this will cause clogging of the bit flutes and a slower
drilling speed.
4. When drilling deep holes, if the hammer speed starts to
drop off, pull the bit partially out of the hole with tool still
running to help clear debris from the hole.
nOTE: A smooth, even flow of dust from the hole indicates
proper drilling rate.
8
5
to the drill symbol.
RPM
450
1300
2000
5
to the hammerdrill symbol.
Hammerdrilling
Settings
Speed 1
Speed 2
Speed 3
MAINTENANCE
WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/installing
attachments or accessories. An accidental start-up can
cause injury.
Your D
WALT power tool has been designed to operate
e
over a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon proper
tool care and regular cleaning.
Cleaning
WARNING: Blow dirt and dust out of all air vents with
clean, dry air at least once a week. To minimize the risk of eye
injury, always wear ANSI Z87.1 approved eye protection when
performing this procedure.
WARNING: Never use solvents or other harsh chemicals
for cleaning the non-metallic parts of the tool. These
chemicals may weaken the plastic materials used in these
parts. Use a cloth dampened only with water and mild soap.
Never let any liquid get inside the tool; never immerse any part
of the tool into a liquid.
Accessories
WARNING: Since accessories, other than those offered by
D
WALT, have not been tested with this product, use of such
e
accessories with this tool could be hazardous. To reduce the
risk of injury, only D
WALT recommended accessories should
e
be used with this product.
Recommended accessories for use with your tool
are available at extra cost from your local dealer or
authorized service center. If you need assistance in
locating any accessory, please contact D
Tool Co., 701 East Joppa Road, Towson, MD 21286, call
1-800-4-D
WALT (1-800-433-9258) or visit our website:
e
www.dewalt.com.
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BPM
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1500
25500
2250
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WALT Industrial
e
DCD998
1–1/4" (32 mm)
1–1/2" (38 mm)
1/2" (13 mm)
2–9/16" (65 mm)
4" (100 mm)
1/2" (13 mm)
1–3/8" (35 mm)
1/2" (13 mm)
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