Ryobi HD501 Drill User Manual


 
Page 13
CHUCK REMOVAL
CHUCK REMOVAL
See Figures 11, 12, and 13.
Whenever necessary to remove the chuck for replacement,
use the following procedure for chuck removal:
UNPLUG YOUR HAMMER DRILL.
WARNING:
Failure to unplug your hammer drill could result in
accidental starting causing serious injury.
Open chuck jaws. Insert a 5/16 in. (8 mm) or larger hex
key 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 11.
This will loosen the chuck screw
for removal.
Open the chuck jaws and remove hex key. Remove the
chuck screw by turning it in a clockwise direction.
See
Figure 12.
NOTE: The chuck screw has left hand threads.
Insert hex key in chuck and tighten chuck jaws securely.
Tap sharply with a mallet in a counterclockwise direction.
This will loosen the chuck on the spindle. It can now be
unscrewed by hand.
See Figure 13.
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.
Insert hex key into chuck and tighten chuck jaws securely.
Tap hex key sharply with a mallet in a clockwise direction.
This will tighten the chuck on the spindle.
See Figure 11.
Open the chuck jaws and remove hex key.
Tighten the chuck screw.
NOTE: The chuck screw has left hand threads.
See
Figure 12.
Fig. 11
Fig. 13
Fig. 12
OPERATION
CHUCK
CHUCK
JAWS
MALLET
HEX KEY
SCREWDRIVER
HEX KEY
CHUCK
MALLET