CHUCK REMOVAL
See Figures 12, 13, and 14.
The chuck must be removed in order to use some accessories. To remove:
•Lock switch trigger or the drill by placing the direction of rotation selector in center position. See Figure 2.
•Insert a 5/16 inch or larger hex key wrench into the chuck of the drill and tighten the chuck jaws securely.
MALLET
CHUCK
JAWS
HEX KEYKEYLESS
WRENCHCHUCK
Fig. 12
Fig. 13
•Tap the hex key wrench sharply with a mallet in a clockwise direction. See Figure 12. This wilt loosen the screw in the chuck for easy removal.
•Open chuck jaws and remove hex key wrench. Remove the chuck screw by turning it in a clockwise direction. See Figure 13.
Note: The screw has left hand threads.
•Insert hex key wrench in chuck and tighten chuck
jaws securely. Tap sharply with a mallet in a counter- clockwise direction. This wilt loosen chuck on the
spindle. It can now be unscrewed by hand. See Figure 14.
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on spindle and develop a wobble. Periodically check chuck screw for tightness. A loose screw may cause the chuck jaws to bind and prevent them from closing.
Fig. 14
To tighten, follow these steps:
•Lock switch trigger on the drill by placing the direction of rotation selector in center position.
See Figure 2.
•Open the chuck jaws.
•insert hex key wrench into chuck and tighten chuck jaws securely. Tap hex key wrench sharply with a mallet in a clockwise direction. This will tighten chuck on the spindle.
•Open the chuck jaws and remove hex key wrench.
•Tighten the chuck screw.
Note: The chuck screw has left hand threads.
14