Operation - DeWalt DCD990 Original Instructions Manual

NOTE: Do not change gears when the tool is
running. Always allow the drill to come to a complete
stop before changing gears. If you have trouble
changing gears, make sure that the gear shifter is
engaged in one of the three speed settings.
If the speed shifter becomes stuck or is difficult to
select the desired gear, pull the trigger switch (a) to
rotate the motor. Then select the gear.
Keyless Single Sleeve Chuck
(fi g. 6–8)
WARNING: Do not attempt to tighten
drill bits (or any other accessory) by
gripping the front part of the chuck
and turning the 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.
1. Turn off tool 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 19 mm (3/4") into
the chuck (fig. 7). Tighten securely by rotating
the chuck sleeve clockwise with one hand while
holding the tool with the other hand (fig. 8).
Continue to rotate the chuck sleeve until several
ratchet clicks are heard to ensure full gripping
power.
To release the accessory, repeat Steps 1 and 2
above.
Be sure to tighten chuck with one hand on the
chuck sleeve and one hand holding the tool for
maximum tightness.
Belt Hook and Magnetic Bit Holder
(fi g. 1)
WARNING: To reduce the risk of
serious personal injury, turn tool
off and disconnect battery pack
before making any adjustments or
removing/installing attachments or
accessories.
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 or magnetic bit holder, use only the screw
(k) that is provided. Be sure to securely tighten the
screw.
The belt hook (j) and magnetic bit holder (l) can be
be attached to either side of the tool using only the
screw (k) provided, to accommodate left- or right-
handed users. If the hook or magnetic bit holder is
not desired at all, it can be removed from the tool.
To move belt hook or magnetic bit holder, remove
the screw (k) that holds it in place then reassemble
on the opposite side. Be sure to securely tighten the
screw.

OPERATION

Instructions for Use
WARNING: Always observe the safety
instructions and applicable regulations.
WARNING: To reduce the risk
of serious personal injury, turn
tool off and disconnect tool from
power source before making any
adjustments or removing/installing
attachments or accessories.
Proper Hand Position (fi g. 9)
WARNING: To reduce the risk of
serious personal injury, ALWAYS
use proper hand position as shown
in figure 9.
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 (n), with the other hand on the side handle
(g).
EN GL IS H
11