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Figure 32. The 30" gauge block positioning.
Pressure
Roller
Height
Adjustment
Pressure
Roller
Spring Tension
Adjustment
Figure 30. Pressure Roller Adjustment.
Figure 31. Pressure roller tension and height
bolts and jam nuts.
PART 4: Pressure Roller Adjustment
Depending on your sanding needs, adjust the
pressure roller height and spring tension. See
Figure 30.
To adjust pressure-roller height, do these steps:
1. Loosen all six height jam nuts. See Figure 31.
2. Position the 30" gauge block to one side of
the conveyor belt and under the three
pressure rollers. See Figure 32.
3. Turn the handwheel so the gauge block
barely touches the rear drum and the
handwheel tape is at the 12:00 position.
4. Now turn the handwheel counter-clockwise
exactly 2
1
⁄2 turns.
5. Turn the pressure-roller height bolt until the
pressure roller just contacts the gauge block.
See Figure 31.
6. Hold the height bolt in position and tighten
the height jam nut.
7. Repeat Steps 1 through 6 at all rollers, and
remove the gauge block.
To adjust pressure-roller spring tension, do
these steps:
1. Loosen all six tension jam nuts, and back out
the tension bolt completely. See Figure 31.
2. Turn the tension bolt clockwise until it just
makes contact with the spring and has
resistance.
3. Turn the bolt one additional turn to adjust
the spring to a basic spring tension value.
4. Hold the tension bolt in position and tighten
the tension jam nut.
5. Repeat Steps 2 through 4 at all rollers.
6. Close and latch the dust hood, and check the
V-belt tension.
NOTICE
Too much pressure roller tension may cause the
workpiece to jam.
Tension Jam Nut
Tension Bolt
PRESSURE
ROLLER
Height Bolt
Height Jam Nut
ADJUSTMENTS
0.012" to 0.024"