RIDGID R83015 Operator's Manual page 17

OPERATION
CHUCK REMOVAL
See Figures 14, 15, and 16.
The chuck must be removed in order to use some accesso-
ries. To remove:
■ Lock the switch trigger by placing the direction of rota-
tion selector in center position. See Figure 4.
■ Insert a 5/16 in. or larger hex key into the chuck of the
drill and tighten the chuck jaws securely.
■ Tap the hex key sharply with a mallet in a clockwise di-
rection. See Figure 14. This will loosen the screw in the
chuck for easy removal.
■ Open the chuck jaws and remove the hex key. Remove
the chuck screw by turning it in a clockwise direction.
See Figure 15.
Note: The screw has left hand threads.
■ Insert the hex key in the chuck and tighten chuck jaws
securely. Tap sharply with a mallet in a counterclock-
wise direction. This will loosen the 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. Periodically check chuck screw for tightness.
To tighten, follow these steps:
■ Lock the switch trigger by placing the direction of rota-
tion selector in center position. See Figure 4.
■ Open the chuck jaws.
■ Insert the hex key into teh chuck and tighten chuck jaws
securely. Tap the hex key sharply with a mallet in a clock-
wise direction. This will tighten the chuck on the spindle.
See Figure 14.
■ Open the chuck jaws and remove the hex key.
■ Tighten the chuck screw.
Note: The chuck screw has left hand threads.
17
Fig. 14
Fig. 15
Fig. 16