Grizzly G0512 Resetting Tensioner Spring Tension, Tensioner spring Tracking control bolt

6.Rotate the tension nut counter-clockwise to increase the tension and clockwise to decrease the tension.

—Decreased Tension: If you rotated the tension nut clockwise, move the belt ten- sion lever to the release position. If it is not too stiff, continue to step 7. If it is too stiff to move comfortably, then either the shaft spring tension needs to be reset, the tension shaft needs lubrication, or the idler roller-to-platen relationship needs to be adjusted (page 29-30).

—Increased Tension: If you rotated the ten- sion nut counter-clockwise, check the beginning movement of the belt tension lever. If there is no play in the first 2" of travel, continue to step 7. If there is play in the first 2", then the tension shaft spring tension needs to be reset, as described in the next sub-section.

7.Replace the sanding belt and examine the effect of the tension adjustment on your belt. Repeat the adjustment procedure if neces- sary.

Resetting Tensioner

Spring Tension

The tensioner spring (shown in Figure 36) applies pressure to the sanding belt when the belt tension lever is in the tension position. When repeated adjustments are made to the tensioner nut, the spring tension may lose the original set- ting from the factory, at which point it will need to be reset.

Tracking Control Bolt

Tensioner Spring

Figure 36. Tensioner spring and

tracking control bolt.

To reset the tensioner spring:

1.Disconnect the sander from the power source!

2.Remove the table from the sander.

3.Loosen the tracking lock knob and remove the sanding belt from the sander.

4.Move the belt tension lever to the tension position.

G0512 Edge Sander -25-