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limit switches
the limit switches are mounted on both sides of
the sanding belt. they are designed to stop the
sander if the belt travels too far to one side of the
top roller.
the limit switches are factory set and should
require no adjustments. however, if they stop
working correctly, they move during adjustments,
or they get replaced, proper adjustments will be
required.
to adjust the limit switches:
1.
Center the sanding belt on the top roller.
Measure the distance between the edge of
the sanding belt and the limit switch lever.
this distance should be approximately
if this measurement is different, then loosen
the adjustment bolts shown in figure 29 on
the incorrect side.
figure 29. loosen these bolts to adjust
the limit switch position.
2.
slide the mounting bracket in the necessary
direction until there is a
edge of the belt and the limit switch lever.
3.
tighten the adjustment bolts to secure the
mounting bracket. test the sander to verify
that operation returns to normal.
-32-
⁄
".
1
2
⁄
" gap between the
1
2
pressure roller
depth
variables such as feed rate, depth of the cut, and
type of sanding belt can play a big part in deter-
mining the proper amount of downward pressure
exerted by the rollers. some experimentation may
be necessary with pressure roller spring tension
to achieve the desired results. however, under no
circumstances should the pressure roller depth
be set even, or higher than, the sanding rollers or
platen.
to adjust the pressure roller depth:
1.
disConneCt sander FroM poWer!
2.
Joint and plane a 6" W x 36" l piece of wood,
then rip it down the middle. this will give you
two boards that are nearly the exact same
thickness.
3.
place one board along the length of the
conveyor belt on the right-hand side so it is
directly beneath both front and back pres-
sure roller depth bolts. place the other board
on the left-hand side so it is directly beneath
both front and back pressure roller depth
bolts. figure 30 shows the front left-hand
and front right-hand pressure roller adjust-
ment bolts.
left-hand
pressure
depth bolt
figure 30. these are the pressure roller depth
bolts at the front of the machine. The rear depth
bolts are in the same location at the rear.
Model G9983 (Mfg. Since 8/09)
right-hand
pressure depth
bolt
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