OPERATION
INSTALLING BITS
See Figures 9-10.
nLock the switch trigger by placing the direction of rota- tion selector in center position. See Figure 4.
nOpen 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 falling out of the chuck jaws.
nInsert 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.
nTighten the chuck jaws on the drill bit.
Note: Rotate the chuck body in the direction of the arrow marked LOCK to tighten chuck jaws.
nDo not use a wrench to tighten or loosen the chuck jaws.
WARNING:
Make sure to insert drill bit straight into chuck jaws. Do not insert drill bit into chuck jaws at an angle then tighten, as shown in Figure 10. This could cause drill bit to be thrown from drill, resulting in possible serious personal injury or damage to the chuck.
REMOVING BITS
See Figure 9.
nLock the switch trigger by placing the direction of ro- tation selector in center position. See Figure 4.
nLoosen the chuck jaws from the drill bit.
Note: Rotate chuck body in the direction of the arrow marked UNLOCK to loosen chuck jaws.
nDo not use a wrench to tighten or loosen the chuck jaws.
nRemove the drill bit from the chuck jaws.
UNLOCK
(RELEASE)
LOCK
(TIGHTEN)
Fig. 9
WRONG
Fig. 10
14