Adjusting Pressure Rollers

5.Place the sanded workpiece under the sand- ing drum and lower the sanding cabinet until the sanding drum is just touching the workpiece.

6.Remove the workpiece from under the sand- ing drum and position it directly under the depth of cut safety bar.

7.Loosen the three hex bolts securing the safety bar.

8.Use feeler gauges to raise the safety bar approximately 3⁄64" (0.047") above the workpiece from side-to-side.

9.Re-tighten the hex bolts.

10.Re-install the sanding belt and secure the access door.

Adjusting Pressure

Rollers

The height of the pressure rollers (see Figure 38) is set below the sanding drum to keep the workpiece firmly against the conveyor belt as it passes through the sander, preventing workpiece kickback.

Front

Pressure

Roller

Rear

Pressure

Roller

Figure 38. Pressure rollers.

G0644 15" Open-End Wide Belt Sander

The pressure roller height was factory set at approximately 1⁄16" (0.063") below the lowest point of the sanding drum.

To adjust the height of the pressure rollers:

1.Make sure the sanding drum and conveyor are parallel (Page 32).

2.Sand a 15" wide piece of stock until it is flat.

3.DISCONNECT THE SANDER FROM POWER!

4.Open the sanding belt access door and remove the sanding belt from the sander.

5.Loosen the eight cap screws securing the front and rear pressure rollers to the sanding cabinet (see Figure 39).

Cap Screws	Cap Screws

Figure 39. Pressure roller cap screws (front

pressure roller cap screws shown)

6.Place the workpiece under the sanding drum.

7.Use feeler gauges to position the sanding drum approximately 1⁄16" (0.063") above the sanded workpiece from Step 2.

8.Adjust the pressure rollers so that they are lightly resting on the workpiece from side-to- side, then re-tighten the cap screws to secure the pressure rollers in place.

9.Re-install the sanding belt and secure the access door.

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