RETIGHTENING A LOOSE CHUCK
After installing a chuck that has previously
been removed, the chuck may become
loose on the spindle and develop a
wobble. Also, the chuck screw may
become loose, causing the chuck jaws to
bind and preventing them from closing. To
tighten the chuck, follow these steps:
1. Insert the hex key into the chuck and
tighten the chuck securely.
2. Tap the hex key sharply with a mallet
in a CLOCKWISE direction (Fig. 18).
This will tighten the chuck on the
spindle.
3. Open the chuck jaws and remove the
hex key.
4. Tighten the chuck screw using a
#2 screwdriver.
NOTE: Turn screw COUNTER-
CLOCKWISE to tighten it. This screw has
a left-handed thread.
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