OPERATION

CHUCK REMOVAL

See Figures 13, 14, and 15.

The chuck must be removed in order to use some accessories. To remove:

Lock the switch trigger by placing the direction of rotation

selector in center position.

Insert a 5/16 inch or larger allen wrench (hex key wrench)

into the chuck of your drill and tighten the chuck jaws

securely.

Tap the allen wrench sharply with a mallet in a clockwise

direction. See Figure 13. This will loosen the screw in

the chuck for easy removal.

Open chuck jaws and remove allen wrench. Remove the

chuck screw by turning it in a clockwise direction. See

Figure 14. Note: The screw has left hand threads.

Insert allen wrench in chuck and tighten chuck jaws

securely. Tap sharply with a mallet in a counterclockwise

MALLET

CHUCK JAWS

KEYLESS CHUCK

7

6

direction. This will loosen chuck on the spindle. It can

now be unscrewed by hand. See Figure 15.

TO RETIGHTEN A LOOSE CHUCK

The chuck may become loose on 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:

Lock the switch trigger by placing the direction of rotation selector in center position.

Insert allen wrench into chuck and tighten chuck jaws securely. Tap allen wrench sharply with a mallet in a clockwise direction. This will tighten chuck on the spindle.

Open the chuck jaws and remove allen wrench.

Tighten the chuck screw. Note: The chuck screw has left hand threads.

ALLEN WRENCH

Fig. 13

7

6

Fig. 14

7

6

Fig. 15

Page 12

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Image 12
Ryobi RY721 Chuck Removal, To Retighten a Loose Chuck, See Figures 13, 14, Mallet Chuck Jaws Keyless Chuck, Allen Wrench

RY721, RY1201, RY961 specifications

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