Craftsman 315.101360 - Manual (Page 12)

OPERATION
CHUCK REMOVAL
See Figure 12.
The chuck must be removed in order to use some
accessories. To remove:
■ Unplug your drill.
A WARNING: Failure to unplug your drill could
result in accidental starting causing serious injury.
■ Insert a 8 mm (5/16 in.) or larger hex key into the
chuck of your drill and tighten chuck jaws securely.
■ Tap the hex key sharply with a mallet in a
counterclockwise direction. See Figure 12.
■ This will loosen the chuck on the spindle.
■ It can now be unscrewed by hand. See Figure 12.
■ Open chuck jaws and remove hex key.
TO RETIGHTEN A LOOSE CHUCK
The chuck may become loose on the spindle and
develop a wobble.
To tighten, follow these steps:
■ Unplug your drill,
/ l
WARNING: Failure to unplug your drill could
result in accidental starting causing serious injury.
■ Open the chuck jaws.
■ Insert hex key into chuck and tighten chuck jaws
securely. Tap 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.
Page 12