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em1942's avatar
em1942
Explorer
Apr 11, 2014

Electric brake drums - how to correct out of balance

Having trouble with tires on my tandem and noticed the drums are way out of balance as they rotate rather quickly with the heavy side down when the tire is removed. There isn't any area on the drum to...
RCMAN46's avatar
RCMAN46
Explorer
Apr 11, 2014
Most likely the drum was not machined correct during manufacture. I would bet you will find it is not concentric. Having the drum returned so it is concentric may help.

But it is most likely junk.

Balance beads in tires that have been balanced may offset minor drum balance.

Trailer drums are not balanced like automotive were. If you look you will not find balance weights or machine cuts like you will find on an automotive drum.

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