Grizzly G9983 Manuel d'utilisateur télécharger pdf (Page 31)

G9983 15" Open-End Wide-Belt Sander -29-

Pressure Roller

Tension

Figure 25. This is one of the four

pressure roller adjustment bolts.

Pressure roller tension is largely set by trial and

error. If there is not enough tension, the work-

piece will not pass through the sander evenly and

may possibly be launched toward the operator. If

there is too much tension, the feed belt will expe-

rience premature wear and the workpiece will

pass through the sander sluggishly (if at all).

To adjust the pressure roller tension:

1. Unplug the sander!

2. Make sure the pressure roller depth is set

correctly.

3. Open both access doors and locate the pres-

sure roller tension springs shown in Figure

25.

4. Turning the nut on the adjustment bolt clock-

wise will increase the tension and counter-

clockwise will decrease the tension.

A quick way to gauge that the spring tension is

consistent is to measure the distance from the top

of the nut to the the top of the adjustment bolt. If

the board pulls to one side during sanding, loosen

that side in small increments as needed.

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Grizzly G9983 Manuel d'utilisateur Page 31