Ryobi HP722 - Manual (Page 14)

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MALLET
KEYLESS
CHUCK
CHUCK
JAWS
HEX KEY WRENCH
CHUCK REMOVAL
See Figures 14, 15, and 16.
■ Lock the switch trigger by placing the direction of rotation
selector in center position. See Figure 4.
■ Insert a 5/16 inch or larger hex key wrench into the chuck
of your drill and tighten the chuck jaws securely.
■ Tap the hex key wrench sharply with a mallet in a
clockwise direction. See Figure 14. This will loosen the
screw in the chuck for easy removal.
■ Open chuck jaws and remove hex key wrench. Remove
the chuck screw by turning it in a clockwise direction.
See Figure 15.
Note: The screw has left hand threads.
■ Insert hex key wrench in 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 16.
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on spindle and develop a
wobble. To tighten, follow these steps:
■ Lock the switch trigger by placing the direction of rotation
selector in center position. See Figure 4.
■ Open the chuck jaws.
■ 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.
Fig. 14
Fig. 15
Fig. 16
OPERATION