Operation - DeWalt DCD990 Instruction Manual

tool on. Damage to the chuck and personal injury may result. Always
lock off trigger switch and disconnect tool from power source when
changing acces sories.
WARNING: Always ensure the bit is secure before starting the
tool. A loose bit may eject from tool causing possible personal injury.
Your tool features a keyless chuck with one rotating sleeve for one-
handed operation of the chuck. To insert a drill bit or other accessory,
follow these steps.
FIG. 7
FIG. 6
D
1. Turn tool off and disconnect tool from power source.
2. Grasp the black sleeve of the chuck (D) with one hand and use
the other hand to secure the tool as shown in Figure 6. Rotate the
sleeve counterclockwise (as viewed from the front) far enough to
accept the desired accessory.
3. Insert the accessory about 3/4" (19 mm) into the chuck and tighten
securely by rotating the chuck sleeve clockwise with one hand
while holding the tool with the other hand. Continue to rotate the
chuck sleeve until several ratchet clicks are heard to ensure full
gripping power.
Be sure to tighten chuck with one hand on the chuck sleeve and one
hand holding the tool for maximum tightness.
To release the accessory, repeat Steps 1 and 2 above.
Belt Hook and Bit Clip (Fig. 2)
WARNING: To reduce the risk of serious personal injury, DO
NOT suspend tool overhead or suspend objects from the belt hook.
ONLY hang tool's belt hook from a work belt.
WARNING: To reduce the risk of serious personal injury,
ensure the screw holding the belt hook is secure.
IMPORTANT: When attaching or replacing the belt hook (J) or bit clip
(K), use only the screw (L) that is provided. Be sure to securely tighten
the screw.
FIG. 8
The belt hook (J) and bit clip (K) can be be attached to either side of
the tool using only the screw (L) 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 (L) that holds it in place
then reassemble on the opposite side. Be sure to securely tighten the
screw.

OPERATION

WARNING: To reduce the risk of serious personal injury, place
the forward/reverse button in the lock-off position or turn tool
off and disconnect 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. 9)
NOTE: For best results, make sure your battery pack is fully charged.
To install the battery pack (H) 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 fi rmly seated in the tool and ensure that it does
not disengage.
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