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