MAINTENANCE
CHUCK REMOVAL
See Figures 13 - 15.
The chuck may be removed and replaced by a new one. |
| |
Lock the switch trigger by placing the direction of rotation |
| |
selector in center position. |
| |
Insert a 5/16 in. or larger hex key into the chuck of the | CHUCK | |
drill and tighten the chuck jaws securely. | ||
JAWS | ||
Tap the hex key sharply with a mallet in a clockwise |
| |
direction. This will loosen the screw in the chuck for easy |
| |
removal. |
| |
Open the chuck jaws and remove the hex key. Using a |
| |
screwdriver, remove the chuck screw by turning it in a |
| |
clockwise direction. |
| |
NOTE: The chuck screw has left hand threads. |
| |
Insert the hex key into the chuck and tighten the chuck |
| |
jaws securely. Tap sharply with a mallet in a counterclock- | HEX KEY | |
wise direction. This will loosen the chuck on the spindle. | ||
It can now be unscrewed by hand. |
| |
TO RETIGHTEN A LOOSE CHUCK |
| |
The chuck may become loose on the spindle and develop |
| |
a wobble. Also, the chuck screw may become loose, caus- |
| |
ing the chuck jaws to bind and prevent them from closing. |
| |
To tighten: |
|
Lock the switch trigger by placing the direction of rotation
selector in the center position. | SCREWDRIVER |
Open the chuck jaws. |
|
Insert the hex key into the chuck and tighten the chuck |
|
jaws securely. Tap the hex key sharply with a mallet in |
|
a clockwise direction. This will tighten the chuck on the |
|
spindle. |
|
Open the chuck jaws and remove the hex key. |
|
Tighten the chuck screw. |
|
HEX KEY
MALLET
24
0 2
5 
KEYLESS
CHUCK
Fig. 13
24
Fig. 14
MALLET
24
0 2
5 
Fig. 15
15
