I have a Porter Cable 505 half sheet sander and it has always been
great to use. Lately it has been skating and jumping all over the place
with just a little more than the weight of the sander on the board.
Have any of you had the same problem?
Do I need to replace the pad or maybe the bearing?
Thanks in advance,
Maybe a bent motor shaft? Probably it got dropped or set on its side
while it was running.
Take it in to a PC service center. This was a common problem with the
505s at a cabinet shop where I used to work. Pretty easy fix, be it
bearings or motor parts or pad.
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