CHUCK
REMOVAL
See Figures 13, 14, and 15.
The chuck must be removed in order to use some
accessories. -
To remove:
•
Unplug your hammer drill.
_k
WARNING:
Failure to unplug your hammer ddll
could result in accidental starting causing sedous
injury.
Line up hole in spindle with slot in gear housing
and insert a 118 in. diameter nail or pin in
spindle shaft.
•
Insert a 5/16 in. or larger hex key wrench (allen
wrench) into the chuck of your drill and tighten
the chuck jaws securely.
•
Tap the hex key sharply with a mallet in a
clockwise direction. See Figure 13. This will
loosen the screw in the chuck for easy removal.
MALLET
1/8In. DIAMETER
)R PIN
KEYLESS
CHUCK
HEXKEY
WRENCH
Fig. 13
•
Open chuck jaws and remove heX"key wrench.
•
Remove the chuck screw by turning it in a
clockwise direction. See Figure 14. Note: The
screw has left hand threads.
SCREWDRIVER
•
Insert hex key wrench into chuck and tighten
chuck jaws securely. Tap sharply with a mallet
in a counterclockwise direction. This will loosen
chuck on the spindle. It can now be unscrewed
by hand. See Figure 15.
Fig. 15
•
Unlock spindle by removing nail or pin from slot
in gear housing.
TO RETIGHTEN
A LOOSE CHUCK
The chuck may at times become loose on the spindle
and develop a wobble. Also, the chuck screw may
become loose causing the chuck jaws to bind and
prevent them from closing. To tighten, follow these
steps:
•
Unplug your hammer drill.
WARNING:
Failure to unplug your hammer drill
could result in accidental starting causing serious
injury.
Line up hole in spindle with slot in gear housing
and insert a 118 in. diameter nail or pin in
spindle shaft.
Insert hex key wrench into chuck and tighten
chuck jaws securely, Tap hex key wrench sharply
with a mallet in a clockwise direction. This will
tighten chuck on the spindle.
Open the chuck jaws and remove hex key
wrench.
Tighten the chuck screw. Note: The chuck screw
has left hand threads.
Unlock spindle by removing nail or pin from slot
in gear housing.
!
Fig. 14
14