Quote:
Originally Posted by petehoovie
If you've got some dielectric silicone spray or contact cleaner on hand, spray it on the commutator where the brushes mate and I'll bet the squeal goes away....
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Sorry but I don't recommend spraying anything on the commutator or brushes at all. Take the generator to your local auto electrical shop and have him run it up on his test bench. The only thing to do on the commutator is run some fine sandpaper around it. Don't use emery paper. Regards, Kevin.