Craftsman 10107 - 3/8 in. Corded Drill Operator's Manual page 11

A
WARNING: Always unplug the tool when installing
or removing bits, adjusting settings, or when the tool
is not in use. Failure to unplug the tool may result in
accidental starting and serious personal injury.
INSTALLING BITS
See Figures 3 - 4.
[] Unplug the drill.
[] Open or close the chuck jaws to a point where the
opening is slightly larger than the bit size you intend to
use. Also, raise the front of the drill slightly to keep the
bit from falling out of the chuck jaws.
[] Insert the drill bit into the chuck the full length of the
jaws.
[] Tighten the chuck jaws on the drill bit. To tighten, grasp
and hold the collar of the chuck with one hand, while
rotating the chuck body with your other hand.
NOTE: Rotate the chuck body in the direction of the
arrow marked LOCK to tighten the chuck jaws.
[] DO NOT use awrench to tighten or loosen the chuck
jaws.
_ WARNING: Do not insert drill bit into chuck jaws
and tighten as shown in Figure 4. This could cause
drill bit to be thrown from drill resulting in possible
serious personal injury or damage to the chuck.
REMOVING BITS
See Figure 3.
[] Unplug the drill.
[] Loosen the chuck jaws from drill bit.
[] To loosen: grasp and hold the collar of the chuck with
one hand, while rotating chuck body with your other
hand.
NOTE: Rotate chuck body in the direction of the arrow
marked UNLOCK to loosen chuck jaws.
[] DO NOT use a wrench to tighten or loosen the chuck
jaws.
[] Remove drill bit from chuck jaws.
UNLOCK
CHUCK (RELEASE) CHUCK
JAWS _ BODY
DRILL BIT
LOCK
(TIGHTEN)
CHUCK
COLLAR
RIGHT
Fig. 3
(
t
Fig. 4
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