18
CHUCK
BODY
OPERATION
INSTALLING BITS
See Figure 13.
Lock the switch trigger by placing the direction of rotation
selector in the center position.
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.
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 14.
This could cause the drill bit to be thrown from the
drill, resulting in possible serious personal injury or
damage to the chuck.
�Tighten the chuck jaws securely on the bit.
NOTE:
Rotate the chuck body in the direction of the
arrow marked
CLOSE
to close the chuck jaws. Do not
use a wrench to tighten or loosen the chuck jaws.
REMOVING BITS
See Figure 13.
Lock the switch trigger by placing the direction of rotation
selector in the center position.
Open the chuck jaws.
NOTE:
Rotate the chuck body in the direction of the
arrow marked
OPEN
to open the chuck jaws. Do not use
a wrench to tighten or loosen the chuck jaws.
Remove the drill bit.
RIGHT
Fig. 13
Fig. 14
WRONG
DRILL BIT
OPEN
(RELEASE)
CHUCK
JAWS
CLOSE
(TIGHTEN)
KEYLESS
CHUCK
