17
CARE AND MAINTENANCE
All maintenance should only be carried out by a qualified service technician.
Cleaning
Before cleaning or performing any maintenance, remove the battery pack from the tool.
For safe and proper operation, always keep the tool and its ventilation slots clean.
Always use only a soft, dry cloth to clean your hammer drill; never use detergent or alcohol.
15. Chuck Removal
The keyless chuck (A) can be removed and
replaced.
a. Lock the trigger switch by placing the direction-
of-rotation selector (E) in the center position.
b. Open the chuck jaws.
c. Use a screwdriver (not included) to remove
the chuck screw by turning it in a clockwise
direction.
d. Insert a 5/16-in. or larger hex key (not included)
into the chuck of the hammer drill and securely
tighten the chuck jaws around the hex key.
e. Tap the hex key sharply with a mallet (not
included) in a counterclockwise direction. This
will loosen the chuck for easy removal.
NOTICE:
The chuck screw has left-handed threads. Attach a new chuck to the spindle and
tighten the chuck screw.
15
A
