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CHUCKREMOVAL
See Figures 10, 11, and 12.
The chuck must be removed in order to use some
accessories. To remove:
• Lock the switch trigger by placing the direction of
rotation selector in center position.
• Insert a 5/16 inch or larger allen wrench (hex key
wrench) into the chuck of your drill and tighten the
chuck jaws securely.
• Tap the allen wrench sharply with a mallet in a
clockwise direction. See Figure 10. This will
loosen the screw in the chuck for easy removal.
MALLET
CHUCK
CHUCKJAWS
ALLEN
WRENCH
A
Fig. 10
Open chuck jaws and remove allen wrench.
Remove the chuck screw by turning it in a clock-
wise direction. See Figure 11. Note: The screw
has left hand threads.
Insert allen wrench in chuck and tighten chuck
jaws securely. Tap sharply with a mallet in a
counterclockwise direction. This will loosen chuck
on the spindle. It can now be unscrewed by hand.
See Figure 12.
Fig. 12
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on 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, follow these steps:
• Lock the switch trigger by placing the direction of
rotation selector in center position.
• Insert allen wrench into chuck and tighten chuck
jaws securely. Tap allen wrench sharply with a
mallet in a clockwise direction. This will tighten
chuck on the spindle.
• Open the chuck jaws and remove allen wrench.
• Tighten the chuck screw. Note: The chuck screw
has left hand threads.
Fig. 11
11