CHUCK REMOVAL
See Figures 13- 15,
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 turn- ing it in a clockwise direction.
NOTE: The chuck screw has left hand threads.
[] 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.
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.
[] Using a screwdriver, tighten the chuck screw by turn- ing in a counterclockwise direction.
MALLET
CHUCKJAWS
REX KEY
Fig. 13
SCREWDRIVER
Fig. 14
MALLET
REX KEY
Fig. 15
15
