Chuck Removal - Craftsman 11543 - C3 19.2 Volt Cordless Hammer Operator's Manual

CHUCK REMOVAL
See Figures 17- 19.
The chuck may be removed and replaced by a new one.
[] Lock the switch trigger by placing the direction of rota-
tion selector in center position.
[] Insert a 5/16 in. or larger hex key into the chuck of the
drill and tighten the chuck jaws securely.
[] Tap the hex key sharply with a mallet in a clockwise
direction. This will loosen the screw in the chuck for
easy removal.
[] Open the chuck jaws and remove the hex key. Using a
screwdriver, remove the chuck screw by turning it in a
clockwise direction.
NOTE: The chuck screw has left hand threads.
MALLET
CHUCKJAWS
[]
KEYLESS
HEX KEY CHUCK
Fig. 17
Insert the hex key into the chuck and tighten the chuck
jaws securely. Tap sharply with a mallet in a counter-
clockwise direction. This will loosen the chuck on the
spindle. It can now be unscrewed by hand.
MALLET
Fig. 19
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on the spindle and develop
a wobble. Also, the chuck screw may become loose,
causing the chuck jaws to bind and prevent them from
closing° To tighten:
[] Lock the switch trigger by placing the direction of rota-
tion selector in the center position.
[] Open the chuck jaws°
[] Insert the hex key into the chuck and tighten the chuck
jaws securely° Tap the hex key sharply with a mallet in
a clockwise direction. This will tighten the chuck on the
spindle.
[] Open the chuck jaws and remove the hex key.
[] Tighten the chuck screw.
SCREWDRIVER
Fig. 18
20