Craftsman 315.115210 - Manual (Page 15)

CHUCK removal
See Figures 11; 12, and 13.
The chuck must be removed in order to use some acces­
sories. To remove:
■ Lock the switch trigger by placing the direction of rota­
tion selector in center position. See Figure 4.
■ Insert a 5/16 in. or larger hex key into the chuck of your
drill and tighten the chuck jaws securely.
■ Tap the hex key sharply with a mallet in a clockwise
direction. See Figure 12. This will loosen the screw in
the chuck for easy removal.
CHUCK JAWS
Fig. 11
Open chuck jaws and remove hex key. Remove the
chuck screw by turning it in a clockwise direction. See
Figure 12.
Note: The screw has left hand threads.
SCREWDRIVER
Insert hex key in chuck and tighten chuck jaws se­
curely. Tap sharpiy with a mallet in a counterclockwise
direction. This will loosen chuck on the spindle. It can
now be unscrewed by hand. See Figure 13.
MALLET
fg. 13
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on spindle and develop a
wobble. Periodically check chuck screw for tightness.
To tighten, follow these steps:
■ Lock the switch trigger by placing the direction of rota­
tion selector in center position. See Figure 4.
■ Open the chuck jaws.
■ Insert hex key into chuck and tighten chuck jaws se­
curely. Tap hex key sharply with a mallet in a clockwise
direction. This will tighten chuck on the spindle.
■ Open the chuck jaws and remove hex key.
■ Tighten the chuck screw.
Note: The chuck screw has left hand threads.
Fig. 12
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