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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 KEY KEYLESS
WRENCH CHUCK
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