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Craftsman 973.274980 Owner's Manual page 12

Variable speed / reversible professional 318 in. cordless drill-driver

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CHUCK
REMOVAL
See Figures 14, 15, and 16.
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 drilland tighten the
chuck jaws securely.
Tap the allen wrench sharply with a mallet in a
clockwise direction. See Figure 14. This will
loosen the screw in the chuck for easy removal.
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 16.
KEYLESS CHUCK
CHUCKJAWS
ALLENWRENCH
Fig, 14
Open chuck jaws and remove allen wrench.
Remove the chuck screw by tuming it in a clock-
wise direction. See Figure 15. Note: The screw
has left hand threads.
Fig. 16
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. 15
12

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