Grizzly G0486/G0487 owner manual Belt Adjustment, To adjust either V-belt

6.Loosen the infeed pressure roller lock nuts (Figure 34) on the infeed pressure roller. Turn the adjustment studs (Figure 34) to lower the infeed pressure roller until it just touches the board.

Note: DO NOT continue to lower the roller beyond that point.

Adjustment

Stud

Roller Lock

Nuts

Figure 34. Pressure roller adjustment location.

7.Tighten the roller lock nuts and recheck your settings.

8.Connect the sander to the power source and make note of the reading on the digital display. Then manually lower the table an additional 0.020" to 0.030". This is how much lower the outfeed pressure roller should be set when compared to the height of the infeed roller.

9.Loosen the roller lock nuts on the outfeed pressure roller. Turn the adjustment bolts to 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 and recheck your settings.

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. Some experimentation may be necessary to achieve the desired results. However, under no circum- stances should the pressure rollers be set even, or higher than, the sanding roller.

G0486/G0487 Wide Belt Sander

V-Belt Adjustment

To adjust either V-belt:

1.DISCONNECT THE SANDER FROM THE POWER SOURCE!

2.Loosen the lock nut (Figures 35 & 36).

V-Belt

Lock Nut

Adjustment

Nut

Figure 35. Table elevation V-belt.

V-Belts

Lock Nut

Adjustment Nut

Figure 36. Sanding drum V-belts.

3.Turn the adjustment nut up or down until the V-belts deflect 1" off of center when pushed with your finger.

4.Retighten the lock nut.

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