how to adjust a belt sander Related Question:
Can you adjust tension on a belt sander?
If the belt is shifting toward the side of the sander that the knob is on, then loosen the knob by turning it about half a turn counterclockwise. If the belt is shifting away from the side of the sander that the knob is on, tighten the knob by turning it about half a turn clockwise.
How tight should a sanding belt be?
Most wood sanding applications require a belt tension near 40 psi. Because the goal is to keep the belt from slipping, users sometimes err on the side of using too much belt tension. Several problems can result from excessive belt tension.
Why is my belt sander leaving lines?
If the inside of your sander has a lot of dust, there is likely an issue with the machine and it often shows in the materials run through the machine. Excessive dust buildup can result in burn marks or lines on the workpiece. Dust buildup can also cause tracking issues and prematurely wear out the belt.