17
CHUCK REMOVAL
See Figures 14, 15, and 16.
The chuck must be removed in order to use some acces-
sories. To remove:
n
Lock the switch trigger by placing the direction of ro-
tation selector in center position.
See Figure 4.
n
Insert a 5/16 in. or larger hex key into the chuck of the
drill and tighten the chuck jaws securely.
n
Tap the hex key sharply with a mallet in a clockwise
direction.
See Figure 14.
This will loosen the screw in
the chuck for easy removal.
n
Open the chuck jaws and remove the hex key. Remove
the chuck screw by turning it in a clockwise direction.
See Figure 15.
Note:
The screw has left hand threads.
n
Insert the hex key in the chuck and tighten chuck jaws
securely. Tap sharply with a mallet in a counterclockwise
direction. This will loosen the chuck on the spindle. It
can now be unscrewed by hand.
See Figure 16.
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on spindle and develop a
wobble. Periodically check chuck screw for tightness.
To tighten, follow these steps:
n
Lock the switch trigger by placing the direction of ro-
tation selector in center position.
See Figure 4.
n
Open the chuck jaws.
n
Insert the hex key into the chuck and tighten chuck
jaws securely. Tap the hex key sharply with a mallet in
a clockwise direction. This will tighten the chuck on the
spindle.
See Figure 14.
n
Open the chuck jaws and remove the hex key.
n
Tighten the chuck screw.
Note:
The chuck screw has left hand threads.
MAINTENANCE
Fig. 15
Fig. 16
Fig. 14
CHUCK JAWS
HEX KEY
MALLET
KEYLESS
CHUCK
SCREWDRIVER
