Craftsman 11580 - C3 19.2 Volt Hammer Operator's Manual page 12

KEYLESSCHUCK
See Figure 6.
The drill has a keyless chuck to tighten or release drill bits
in the chuck jaws. Grasp and hold the collar of the chuck
with one hand. Rotate the chuck body with your other
hand. The arrows on the chuck indicate which direction
to rotate the chuck body in order to LOOK (tighten) or
UNLOCK (release) the drill bit.
_L WARNING: Do not hold chuck body with one
hand and use power of the drill to tighten the chuck
jaws on the drill bit. The chuck body could slip in
your hand, or your hand could slip and come in
contact with the rotating drill bit. This could cause an
accident resulting in serious personal injury.
UNLOCK
CHUCK (RELEASE) CHUCK
JAWS COLLAR
TWO-SPEED GEAR TRAIN
See Figure 7.
The drill has a two-speed gear train designed for drilling or
driving at LO (1) or Hi (2) speeds. A slide switch is located
on top of the drill to select either LO (1) or HI (2) speed.
When using drill in the LO (1) speed range, speed will
decrease and unit will have more power and torque. When
using drill in the Hi (2) speed range, speed will increase
and unit will have less power and torque. Use LO (1)
speed for high power and torque applications and Hi (2)
speed for fast drilling or driving applications.
TWO-SPEED LO
GEARTRAIN(HI-LO_ SPEED
1LL)
SPEED
DRILLBIT
LOCK
(TIGHTEN)
CHUCK
BODY
Fig. 7
Fig. 6
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