Chuck Removal - Craftsman 315.101390 Owner's Manual

OPERATION
CHUCK REMOVAL
See Figures 12, 13, and 14.
The chuck must be removed in order to use some
accessories.
To remove:
• UNPLUGYOUR HAMMER DRILL.
Failure to unplug your hammer drill could result in
accidental starting causing serious injury.
• Close chuck jaws. Insert chuck key into chuck and
tap sharply with a mallet in a clockwise direction.
See figure 12. This will loosen chuck screw for
removal•
• Open the chuck jaws and remove the chuck screw
by turning clockwise with a flatblade screwdriver.
See figure 13. NOTE: Chuck screw has left hand
threads.
• insert chuck key into chuck and tap sharply with a
mallet on a counterclockwnse durectlon.
• This will loosen the chuck on the spindle.
• It can now be unscrewed by hand. See Figure 14.
• Remove chuck key and return to storage area.
TO RETIGHTEN A LOOSE CHUCK
The chuck may at times become loose on the spindle and
develop a wobble. Also, after several drilling operations the
chuck screw may become loose. Periodically check chuck
screw for tightness. A loose screw will cause the chuck jaws
to bind and prevent them from closing.
To tighten, follow these steps:
• UNPLUG YOUR HAMMER DRILL.
IA I
| Failure to unplug your hammer drill could result in
I accidental starting causing serious injury.
• Open the chuck jaws.
• Insert chuck key into chuck and tap sharply with a
mallet in clockwise direction.
• This will tighten the chuck on spindle.
• Tighten chuck screw. NOTE: Chuck screw has left
hand threads.
• Remove chuck key and return to storage area.
MALLET
\
Fig. 13
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