OPERATION (Cont.)

INSTALLING BITS

1 Lock switch trigger on your ddtt by placing the direction of rotation selector in center position.

2 Close chuck jaws to a point where the opening is slightly larger than the bit size you intend to use,

3 insert your drilJ bit into chuck the full length of the

jaws as shown in Figure 4,

4" Remove chuck key from chuck key storage See Figure 3

5 Tighten chuck jaws by placing chuck key tn each

o! the three holes, and tighten in a clockwise direction. DO NOT USE A WRENCH TO TIGHTEN

OR LOOSEN THE CHUCK,

6.Remove the chuck key and return to chuck key storage

REMOVING BITS

t. Lock switch trigger on your dri]! by placing the direction of rotation selector In center position

2 Remove chuck key from chuck key storage, See Figure 3

3 Loosen chuck jaws using the chuck key, DO NOT USE A WRENCH TO TIGHTEN OR LOOSEN THE

CHUCK,,

4. Remove drill bit from chuck jaws.,

5 Remove chuck key and return to chuck key storage,

CHUCK REMOVAL

The chuck must be removed in order to use some

accessories To remove:

1 LOck switch trigger on your drill by placing the direction of rotation selector in center position

2 Remove chuck key from chuck key storage See Figure 3

3.Close the chuck jaws. Insert chuck key into chuck and tap sharply with a mallet in a clockwise direc- tion as shown in Figure 5

4, Open the chuck jaws and remove the chuck screw

by turning it in a clockwise direction See Figure 6 NOTE: The chuck screw has left hand threads

5.Inserl the chuck key in chuck and tap sharply in a

counterclockwise direction to loosen it on spin.

die, I1 can now be unscrewed by hand, See Figure 7,

6 Return chuck key to chuck key storage,

The chuck may become loose on spindle and develop a wobble. Also, the chuck screw may become loose causing the chuck jaws to bind This will prevent them from closing To tighten, follow these steps:

1, Lock swflch trigger on your drill by placing the direction of rotation selector in center position

2 Open the chuck jaws

3 Insert chuck key in chuck and tap with a mallet in a clockwise direction

4.Tighten the chuck screw NOTE; "The chuck screw has left hand threads

---- ....

BIT

CHUCK KEY

HOLE

WRIST

STRAP

Fig 4

.t

Ftg 5

Fig 6

Page 7

Page 7
Image 7
Craftsman 315.111450 owner manual Bit