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MAINTENANCE
CHUCK REMOVAL
See Figure 8.
The chuck may be removed and replaced with a new one.
Unplug the drill.
Insert a 5/16 in. or larger hex key into the chuck of the
drill and tighten the chuck jaws securely.
Tap sharply with a mallet in a counterclockwise direction.
This will loosen the chuck on the spindle. It can now be
unscrewed by hand.
Open the chuck jaws and remove the hex key.
TO RETIGHTEN A LOOSE CHUCK
See Figure 9.
The chuck may become loose on the spindle and develop
a wobble. To tighten:
Unplug the drill.
Open the chuck jaws.
Insert a 5/16 in or larger hex key into the chuck and tighten
chuck jaws securely. Tap the hex key sharply with a mal-
let in a clockwise direction. This will tighten the chuck on
the spindle.
Open the chuck jaws and remove the hex key.
Fig. 8
Fig. 9
MAlleT
heX key
MAlleT
chuck
JAWs
keyless
chuck