Adjustments; Electrical Connection; Sanding Belt Selection; To Install Dust Bag - Craftsman 315.117921 Owner's Manual

4 in. dustless belt sander double insulated
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,_.
WARNING:
Your sander should never be
connected to a power supply when you are
assembling parts, changing belts, making adjust-
ments, cleaning, or when not in use. Disconnect-
ing your sander will prevent accidental starting
that could cause serious personal injury.
DUST BAG
See Figure2.
ELECTRICAL
CONNECTION
Your belt sander has a precision built electric motor. It
should be connected to a power supply that Is 120
volts, 60 Hz, AC only (normal household current).
Do not operate this tool on direct current (DC). A
substantial voltage drop will cause a loss of power and
the motor will overheat. If your sander does not
operate when plugged into an outlet, double-check the
power supply.
DUSTBAG RETAINER
DUSTBAG
The dust bag provides a dust collection system for
your sander. It should be installed over the dust
exhaust hole located on the blower cover of your
sander. For more efficient operation, empty dust bag
when half full.
Do not connect sander to power supply before
installing dust bag.
TO INSTALL DUST BAG
Unplug your sander.
,_,
WARNING:
Failure to unplug your sander could
result in accidental starting causing possible
serious personal injury.
Fit opening in dust bag retainer over exhaust hole
on blower cover.
Slide dust bag retainer in the direction of the arrow
as shown in figure 2.
Dust bag is secure when it fits snugly on blower
cover.
TO EMPTY DUST BAG
Remove dust bag from blower cover on sander, open
zipper and shake out dust.
Fig. 2
,_WARNING:
To prevent the possibility of sawdust
or foreign objects being thrown into your face and
eyes, never attempt to use your sander without
dust bag properly installed. Sawdust or foreign
objects being thrown into your face and eyes
could result in possible serious injury.
SANDING
BELT SELECTION
Selecting the correct size and type of sanding belt is
an important step in achieving a high quality sanded
finish. Standard 4 in. x 21 in. sanding belts made of
aluminum oxide, silicone carbide, and other synthetic
abrasives are best for power sanding. In general,
coarse grit will remove the most material and fine grit
will produce the smoothest finish in all sanding
operations. The condition of the surface to be sanded
will determine which grit belt will do the job. If the
surface is rough, start with a coarse grit belt sanding
until surface is uniform. Medium grit belt may then be
used to remove scratches left by the coarser belt and
fine grit belt used for finishing of the surface. Always
continue sanding with each grit belt until the surface is
uniform.
7

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