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18 19
OPERATION
Fig. 16
Fig. 17
INSTALLING BITS
See Figure 16 - 17.
n Lock the switch trigger by placing the direction of
rotation selector in the center position.
n Open or close the chuck jaws to a point where the open-
ing 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.
n Insert the drill bit.
n Tighten the 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 17. This could
cause the drill bit to be thrown from the drill, resulting
in possible serious personal injury or damage to the
chuck.
n Rotate the chuck clockwise to tighten the chuck jaws
securely on the bit.
NOTE: Rotate the chuck body in the direction of the ar-
row marked LOCK to tighten the chuck jaws. Do not use
a wrench to tighten or loosen the chuck jaws.
REMOVING BITS
See Figure 16 .
n Lock the switch trigger by placing the direction of
rotation selector in the center position.
n Rotate the chuck sleeve clockwise to open the chuck
jaws.
NOTE: Rotate the chuck body in the direction of the ar-
row marked UNLOCK to loosen the chuck jaws. Do not
use a wrench to tighten or loosen the chuck jaws.
n Remove the drill bit.
RIGHT
CHUCK
JAWS
CHUCK
SLEEVE
DRILL
BIT
UNLOCK (RELEASE)
LOCK (TIGHTEN)
WRONG