Chuck Removal - Craftsman 315.114420 Operator's Manual

3/8 in. 16.8 volt cordless drill-driver variable speed / reversible
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CHUCK
REMOVAL
See Figures 13, 1_t, and 15
[he chuck must be removed
in order to use some
accessories,
Ta ramave:
Lock the switch trigger by placing the direction of
rotation selector in center position. See Figure 5.
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 13, This will loosen the screw in
the chuck for easy removat.
MALLET
CHUCKJAWS
HE)( KEY
KEYLESS
CHUCK
Fig, "_3
Open chuck jaws and remove hex key. Remove the
chuck screw by turning it in a clockwise
direction.
See
Figure 14.
Note: The screw has left hand threads.
SCREWDRIVER
Insert hex key in chuck and tighten chuck jaws sa
curely. Tap sharply with a mallet in a counterclockwise
direction. This will loosen chuck on the spindle,
Ii san
now be unscrewed by hand. See Figure 15,
MALLET
Fig. i5
TO RETIGHTEN
A LOOSE
CHUCK
The chuck may become loose on spindle and develop a
wobble. Periodically
check chuck screw for tightness.
Te tighten, follow these steps:
Lock the switch trigger by placing the direction
of
rotation selector in center position. See Figure 5.
Open the chuck jaws,
Insert he× 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. 14
14

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