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Belt Oscillation Speed
For normal operations, the oscillation speed
should be set so that it takes approximately
one second to move each direction of travel,
or a total of two seconds to move both
directions.
However, you can experiment with different
speeds to see how the results may affect your
finished product. Often, you may find that
certain speeds yield better results for different
varieties of stock and the feed rates chosen.
To set the belt oscillation speed, do these
steps:
1. Complete the Sanding Belt Tracking
adjustment on page 14.
2. Put on safety glasses, tie back all loose
clothing, remove jewelry, pull back
sleeves, and tie back long hair so it will
not get caught by the sanding belt.
3. If you have not already done so, turn the
sander ON.
4. Looking from the front of the sander,
observe the left-to-right motion of the belt
as it moves along the drum while.
5. Loosen the needle valve jam nuts. See
Figure 15.
6. With your fingertips, turn both needle
valves counter-clockwise to increase the
oscillations, or turn clockwise to decrease
oscillations.
7. When the belt oscillation is at the rate you
need, hold the needle valve, and with your
fingertips tighten the needle valve jam
nuts.
8. Observe belt tracking and oscillation, and
complete the Sanding Belt Tracking
adjustment on page 14 if tracking is
slightly out of adjustment.
KEEP your hands clear of the sanding belt
when making these adjustments!
Figure 15. Belt oscillation adjustment.
ADJUSTMENTS
KEEP loose clothing and
long hair secured and
away from moving
parts.
Needle
Valve
Jam
Nut