Craftsman 315101120 electronic drill

User Manual - Page 9

For 315101120.

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CHUCK REMOVAL
See Figures 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.
Open chuck jaws.
Insert a 5/16 inch or larger hex key intothe chuck of
your drill and tighten the chuck jaws securely.
Tap the hex key sharply with a mallet in a clockwise
direction. See Figure 10. This will loosen the screw
in the chuck for easy removal.
Insert hex key in chuck and tighten chuck jaws
securely. Tap sharply with a mallet in a counter-
clockwise direction. This will loosen chuck on the
spindle. It can now be unscrewed by hand. See
Figure 12.
MALLET
CHUCK
JAWS
CHUCK
JAWS
HEXKEY
Fig. 10
Open chuck jaws and remove hex key. Remove the
chuck screw by turning it in a clockwise direction.
See Figure 11.
Note: The screw has left hand threads.
F_g. 12
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on spindle and develop a
wobble. Periodically check chuck screw for tightness. A
loose screw may cause the chuck jaws to bind and
prevent them from closing. To tighten, follow these
steps:
Unplug your drill.
,_ WARNING: Failure to unplug your drill could
result in accidental starting causing serious injury.
Open the chuck jaws.
Insert hex key into chuck and tighten chuck jaws
securely. 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. 11
9
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