Craftsman 315.111920 - Manual (Page 10)

OPERATION
INSTALLING BITS
See Figure 6.
■ Lock the switch trigger by placing the direction of
rotation selector in center position.
See Figure 2.
■ Open or dose chuck jaws to a point where the
opening is slightly larger than the bit size you
intend to use. Also, raise thé front of your drill
slightly to keep the bit from falling out of the chuck
jaws.
■ Insert drill bit into chuck the full length of the jaws
as shown in Figure 6.
■ Tighten the chuck jaws on drill bit.
CHUCK BODY
To tighten the chuck jaws on drill bit; 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 chuck jaws.
Do not use a wrench to tighten or loosen the
chuck jaws.
WARNING: Do not insert drili bit into chuck
' jaws and tighten as shown in figure 7. This could
cause drill bit to be thrown from drill resulting in
possible serious personal injury or damage to the
chuck.
WRONG Fig. 7
REMOVING BITS
See Figure 6.
■ Lock the switch trigger by placing the direction of
rotation selector in center position.
See Figure 2.
■ Loosen the chuck jaws from drill bit.
■ To loosen; grasp and hold the collar of the chuck
with one hand, whiie rotating chuck body with your
other hand. Note: Rotate chuck body in the direc­
tion 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.
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