Craftsman 315.115210 User Manual download pdf (Page 15)

CHUCK removal

See Figures 11; 12, and 13.

The chuck must be removed in order to use some acces

sories. 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 your

drill and tighten the chuck jaws securely.

■ Tap the hex key sharply with a mallet in a clockwise

direction. See Figure 12. This will loosen the screw in

the chuck for easy removal.

CHUCK JAWS

Fig. 11

Open chuck jaws and remove hex key. Remove the

chuck screw by turning it in a clockwise direction. See

Figure 12.

Note: The screw has left hand threads.

SCREWDRIVER

Insert hex key in chuck and tighten chuck jaws se

curely. Tap sharpiy with a mallet in a counterclockwise

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

now be unscrewed by hand. See Figure 13.

MALLET

fg. 13

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 hex key into chuck and tighten chuck jaws se

curely. Tap hex key sharply with a mallet in a clockwise

direction. This will tighten chuck on the spindle.

■ Open the chuck jaws and remove hex key.

■ Tighten the chuck screw.

Note: The chuck screw has left hand threads.

Fig. 12

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Craftsman 315.115210 User Manual Page 15