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DeWalt DCD778D2 User Manual

DeWalt DCD778D2
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ENGLISH
32
IMPORTANT: When attaching or replacing the belt hook
or bit clip, use only the screw
8
that is provided. Be sure to
securely tighten the screw.
The belt hook
7
and bit clip
9
can be attached to either
side of the tool using only the screw
8
provided, to
accommodate left- or right- handed users. If the hook or bit
clip is not desired at all, it can be removed from the tool.
To move belt hook or bit clip, remove the screw that holds
it in place then reassemble on the opposite side. Be sure to
securely tighten the screw.
OPERATION
WARNING: Always observe the safety instructions
and applicable regulations.
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.
Installing and Removing the Battery Pack
(Fig. G)
NOTE: For best results, make sure your battery pack is
fullycharged.
To install the battery pack
10
into the tool handle, align the
battery pack with the rails inside the tool’s handle and slide
it into the handle until the battery pack is firmly seated in
the tool and ensure that it does notdisengage.
To remove the battery pack from the tool, press the release
button
11
and firmly pull the battery pack out of the tool
handle. Insert it into the charger as described in the charger
section of thismanual.
Fig. G
10
11
Proper Hand Position (Fig. H)
WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.
WARNING: To reduce the risk of serious personal injury,
ALWAYS hold securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the main handle
12
and one hand on the battery pack.
Fig. H
12
Drilling (Fig. A, I)
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
4
to match the speed and torque to the planned
operation. Turn the collar
3
to the drill symbol.
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 THE 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.
Fig. I
SCREWDRIVING
Fig. J
DRILLING
3

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DeWalt DCD778D2 Specifications

General IconGeneral
BrandDeWalt
ModelDCD778D2
CategoryImpact Driver
LanguageEnglish

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