Craftsman 315.273990 Owner's Manual page 10

TOPVIEW
• Open the chuck jaws and remove hex key wrench,
Remove the chuck screw by tuming it in a
clockwise direction. See Figure 11.
SCREWDRIVER
Fig. 11
Note: The chuck screw has left hand threads.
• Insert hex key wrench into chuck and tighten chuck
jaws securely. Tap sharply with a mallet in a
counterclockwise direction. This will loosen the
chuck on the spindle. It can now be unscrewed by
hand. See Figure 12.
CHUCK REMOVAL
See Figure 10, 11, and 12.
The chuck must be removed in order to use some
accessories. To remove:
• Unplug your drill
WARNING: Failure to unplug your drill could
result in accidental starting causing serious
injury.
• Insert a 8 mm (5/16 in,) or larger hex key wrench
into the chuck of your ddll and tighten the chuck
jaws securely.
• Tap the hex key wrench sharply with a mallet in a
clockwise direction. See Figure 10. This will loosen
the screw in the chuck for easy removal.
MALLET
CHUCKJAWS
CHUCK
HEXKEY
WRENCH
MALLET
CHUCK
HEXKEY
Fig. 12
The chuck may at times become loose on the 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:
• Unplug your drill.
WARNING: Failure to unplug your ddll could
result in accidental starting causing serious
injury.
• 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 the
chuck on the spindle.
• Open the chuck jaws and remove the hex key
wrench.
• Tighten the chuck screw.
Rg. 10 Note: The chuck screw has left hand threads.
10