I've had the RIGIS EB4424 edge belt/spindle sander for a couple years now, and have been generally pleased with it. Sometimes I have trouble getting the edge belt assembly off of the motor shaft. It seems like the shaft is slightly undersized so that the keyed, or flat area, on the motor shaft gets wedged into the edge belt assembly recepticle. It takes a little work to get it freed up. The latest problem is vibration. There was always a little vibration, but lately it has really been bad. When I use the edge belt assembly, there is so much vibration the whole platform moves. I didn't see anything in the owner's manual to address this. Any ideas?
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RIGID EB4424 belt sander problem