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Craftsman 315.115370 Operator's Manual page 14

3/8 in., 18 volt drill-driver variable speed / reversible

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INSTALLING BITS
See Figure 9.
Lock the switchtrigger by placingthe direction of rota-
tion selectorin the center position,
Open or closethe chuck jaws to a pointwhere the
opening is slightlylargerthan the bit size you intend to
use. Also, raisethe front of the drillslightlyto keep the
bit from fallingout of the chuck jaws.
• Insertthe drillbit straight intothe chuck the full length
of the jaws.
• Tightenthe chuck jaws on the drill bit.
_,
WARNING: Make sure to insert the drill bit straight
into the chuck jaws. Do not insert the drill bit into
the chuck jaws at an angle then tighten, as shown in
figure 10. This could cause the drill bit to be thrown
from the drill, resulting in possible serious personal
injury or damage to the chuck.
DRILLBIT
UNLOCK
(RELEASE)
CHUCK
COLLAR
CHUCK
JAWS
LOCK
(TIGHTEN)
CHUCK
BODY
RIGHT
Fig, 9
• 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 a wrench to tighten or loosen the chuck
jaws.
WRONG
Fig. 10
REMOVING BITS
See Figure 9.
Lock the switch triggerby placingthe direction of rota-
tion selector in the center position.
Loosenthe chuck jawsfrom the drill bit.
• To loosen:grasp and hold the collar of the chuckwith
one hand, while rotatingthe chuck body with your
otherhand.
NOTE: Rotate the chuck body in the direction of the
arrow marked UNLOCK to loosenthe chuck jaws.
• Do not use a wrenchto tighten or loosen the chuck
jaws.
• Remove the drill bit from the chuck jaws.
14

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