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6.Loosen the roller lock nuts (Figure 33) on the infeed pressure roller. Turn the adjust- ment studs (Figure 33) to lower the pressure roller until it just touches the board.
Note: DO NOT continue to lower the roller beyond that point.
Adjustment Stud
Roller Lock Nuts
Adjustment Stud
Roller Lock Nuts
Figure 33. Pressure roller adjustment locations
for platen and drum type sanders.
7.Tighten the roller lock nuts.
8.Connect power to the sander and observe the reading on the digital display. Then man- ually lower the table an additional 0.020" to 0.030".
9.Loosen the roller lock nuts on the outfeed pressure roller. Turn the adjustment bolts and lower the pressure roller until it just touches the board. Note: DO NOT continue to lower the roller beyond that point.
10.Tighten the roller lock nuts.
Note: Variables such as feed rate, depth of the cut, and the type of sanding belt can play a big part in determining the proper amount of downward pressure exerted by the rollers. Experimentation is necessary to get the desired results. However, under no circumstances should the pressure rollers be set even, or higher than, the sanding roller.
V-Belt Adjustment
To adjust either V-belt:
1.DISCONNECT THE SANDER FROM THE POWER SOURCE!
2.Loosen the lock nut (Figures 34 & 35).
Lock Nut
Adjustment
Nut