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Please see my first two posts regarding the saga with this Model 707. In short, the motor buzzes, but does not turn. I've gotten several suggestions (i.e., carbon brushes, bearings, whole new motor, etc.). The brushes are about 1/2-inch long; shorter than they should be, but not worn to a nub...

For those who haven't read about this before, the motor will hum/buzz, but does not turn. I've received various diagnostic theories - from worn carbon brushes to bearings needing to be re-packed. Some were also nice enough to provide links to sites where I can purchase the correct part (if I...

Since it was my first post, I inadvertently posted this within another thread instead of creating a new one. Despite that, some people there were nice enough to respond. I also wanted to post it here to get some additional advice. As noted in the title, the vacuum motor hums, but doesn't turn...