14
OPERATION
INSTALLING BITS
See Figure 9 - 10.
n
Lock the switch trigger by placing the direction of rotation
selector in center position.
n
Open or close 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 fall-
ing out of the chuck jaws.
n
Insert drill bit straight into chuck the full length of the jaws
as shown in figure 9. The drill bit must be inserted past
the first set of carbide inserts, to a depth of 7/8 in.
n
Tighten the chuck jaws on the drill bit.
NOTE:
Rotate the chuck body in the direction of the arrow
marked LOCK to tighten chuck jaws.
n
Do not use a wrench to tighten or loosen the chuck
jaws.
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.
REMOVING BITS
See Figure 9.
n
Lock the switch trigger by placing the direction of rotation
selector in center position.
n
Loosen the chuck jaws from the drill bit
.
NOTE:
Rotate chuck body in the direction of the arrow
marked UNLOCK to loosen chuck jaws.
n
Do not use a wrench to tighten or loosen the chuck
jaws.
n
Remove the drill bit from the chuck jaws.
UNLOCK
(RELEASE)
LOCK
(TIGHTEN)
Fig. 9
Fig. 10
