Reply by tefinn

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Posted on Carbon Brushes Wearing Out Superfast

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1222 posts in 2637 days

#1 posted 11-12-2013 12:42 AM

Thanks Michael for clarifing. Yes, the brushes ride on the commutator which is part of the armature. It really sounds as if the commutator is damaged. Either it was damaged by the old brushes or the new ones weren’t run in properly. It’s also poossible as teejk says that they needed to be installed in a certain direction.

teejk – If it were bad bearings, more than likely the noise would have been there before changing the brushes. The bad bearings wouldn’t cause the new brushes to wear that quickly. If they were that bad the planer would probably destroy itself while running.

-- Tom Finnigan - Measures? We don't need no stinking measures! - Hmm, maybe thats why my project pieces don't fit.

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