My random orbital sander has gone a little wacko. After I clamped it in my
vice to do some small pieces it hasn't been the same. It wants to run too
fast and spins too much. I see some sparks but nothing real excessive. It
does get hot now.
I took it apart and the brushes (or is it bushings, the little black square
things pushed up against the shaft) are curved to the shape of the shaft and
Any suggestions appreciated.
It's possible that the braking mechanism has failed.
You didn't say which ROS you have, but if you go here
on the bottom of pg 11 you can see how the brake on PC333 works.
I bet your right! It's a ryobi pos. But I looked up a place that shows it
has a different type of brake on it. I'll have to take it apart again and
see if it's fixable. The place I found it said they prefer some w/o brakes,
that all's they do is keep them from spinning wildley between sanding but
reduces performance while sanding. I think mine is harder to control. But
maybe it's my imagination.
Thanks for your input
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