Sears craftsman 315.101390, Руководство по справочнику

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Page 11
OPERATION
CHUCK REMOVAL
See Figures 12, 13, and 14.
The chuck must be removed in order to use some
accessories.
To remove:
■
UNPLUG YOUR HAMMER DRILL.
WARNING:
Failure to unplug your hammer drill could result in
accidental starting causing serious injury.
■
Close chuck jaws. Insert chuck key into chuck and
tap sharply with a mallet in a clockwise direction.
See figure 12. This will loosen chuck screw for
removal.
■
Open the chuck jaws and remove the chuck screw
by turning clockwise with a flatblade screwdriver.
See figure 13. NOTE: Chuck screw has left hand
threads.
■
Insert chuck key into chuck and tap sharply with a
mallet in a counterclockwise direction.
■
This will loosen the chuck on the spindle.
■
It can now be unscrewed by hand.
See Figure 14.
■
Remove chuck key and return to storage area.
TO RETIGHTEN A LOOSE CHUCK
The chuck may at times become loose on the spindle and
develop a wobble. Also, after several drilling operations the
chuck screw may become loose. Periodically check chuck
screw for tightness. A loose screw will cause the chuck jaws
to bind and prevent them from closing.
To tighten, follow these steps:
■
UNPLUG YOUR HAMMER DRILL.
WARNING:
Failure to unplug your hammer drill could result in
accidental starting causing serious injury.
■
Open the chuck jaws.
■
Insert chuck key into chuck and tap sharply with a
mallet in clockwise direction.
■
This will tighten the chuck on spindle.
■
Tighten chuck screw. NOTE: Chuck screw has left
hand threads.
■
Remove chuck key and return to storage area.
CHUCK KEY
MALLET
SCREWDRIVER
CHUCK
CHUCK
JAWS
CHUCK KEY
CHUCK
MALLET
Fig. 12
Fig. 13
Fig. 14