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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.
Fig. 15
Fig. 16
MAINTENANCE
Fig. 14
CHUCK JAWS
HEX KEY
MALLET
KEYLESS
CHUCK
SCREWDRIVER