Installing Abrasive Belt-Tensioning And Tracking - Craftsman 113.22521 Owner's Manual

Beld and disc sander
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assembly
INSTALLING
ABRASIVE
BELT-TENSIONING
AND TRACKING
WARNING:
FOR YOUR OWN SAFETY,
TURN
SWITCH
"OFF"
AND REMOVE
PLUG
FROM
POWER SOURCE
OUTLET
BEFORE
REMOV-
ING OR INSTALLING
ABRASIVE
BELT°
On the smooth
side of tile belt you will find
a "direction-
al arrow"The
belt must run in the direction
of this arrow
so that the splice does not come apart
1
Loosen
the two belt
LOCKING
screws
2
Place the belt over the pulleys
with
the directional
ar-
row pointing
as shown
Make sure the belt is centered
on both
pulleys
Turning
the belt ADJUSTING
screws will cause the idler
pu!ley
to move in or out
When
the idler
pulley
is moved
outward,
it puts TENSION
on the belt
3
Place both
of the 1/2"
wrenches
on the ADJUSTING
screws and pull
the wrenches
toward
you
This will
stretch
the belt
Move
the wrenches
back and fortha
few times so that you "get the feel
of the belt while
it is stretching
(TENSIONING)
Apply
a small
amount
of TENSION
to the belt
by
pulling
the wrenches
toward
you,
so that
the TEN-
StON
feels the same on both
wrenches
PULL WRENCHES IN THIS
DIRECTION
TO APPLY
TENSION
DIRECTIONAL
ARROW_
BELT
ADJUSTING
SCREWS
BELT
LOCKING
SCREW
4_ Hold
the disc
with
your
left
hand
to keep
it from
turning
while
pushing
the belt in the direction
of the
arrow
If the belt slips over the pulleys,
turn
both
AD-
JUSTING
screws simultaneously
asmall
amount
to ap-
ply a little
more tension
to the belt
5 Adjust the tension so that the belt does not slip very
easily when pushing it, while you are holding the disc
6 Tighten the locking screws
7
Plug in the power
cord
Turn
the switch
"on",
let the
machine
run for about
three to five seconds and then
turn
it "off"
Notice
if the belt while
running,
moved
to the right
or to the left.
If
it
did
not
move
to
the
right
or
left,
it
is
TRACKING
properly
BELT
LOCKING
SCREW
PUSH
BELT
IN DIRECTION
OF ARROW
16

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