ADJUSTMENTS
CHANGING THE BIT ROTATION
See Figure 5.
The direction of the chuck is controlled by the rotation selector located above the trigger switch.
Follow these steps to change the bit rotation.
■For forward rotation: Move the rotation selector to the left.
■For reverse rotation: Move the rotation selector to the right.
Note: The hammer drill will not run unless the selector is pushed fully to the left or right.
INSERTING BITS
See Figure 6.
Follow these steps to insert bits.
■Lock the trigger switch by placing the rotation selector in the center position.
■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 falling out of the chuck jaws.
■Insert drill bit straight into chuck the full length of the jaws as shown in figure 6.
WARNING:
Do not insert a drill bit into the chuck jaws and tighten as shown in Figure 7. This could cause the drill bit to be thrown from the drill resulting possible serious injury or damage to the chuck.
■Tighten the chuck jaws on the drill bit. To tighten, grasp and hold the collar of the chuck with one hand, while rotating the chuck body with your other hand.
Note: Rotate the chuck body in the direction of the arrow marked GRIP to tighten the chuck jaws.
■Do not use a wrench to tighten or loosen the chuck jaws.
REMOVING BITS
See Figure 6.
Follow these steps to remove bits.
■Lock the trigger switch by placing the rotation selector in the center position.
■Loosen the chuck jaws from drill bit.
■To loosen: grasp and hold the collar of the chuck with one hand, while rotating chuck body with your other hand.
Note: Rotate chuck body in the direction of the arrow marked RELEASE to loosen chuck jaws.
■DO NOT use a wrench to tighten or loosen the chuck jaws.
■Remove drill bit from chuck jaws.
FORWARD / REVERSE
SELECTOR
REVERSE
FORWARD
Fig. 5
CHUCK JAWS | (Release) | CHUCK COLLAR | |
UNLOCK | |||
|
|
DRILL BIT | 15 |
LOCK | CHUCK BODY |
(Tighten) | |
RIGHT | Fig. 6 |
15 
WRONG
Fig. 7
Page 12