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Posted by mm on September 28, 2008, 10:51 pm
>mm wrote:
>>> Check with electric motor rewinding/rebuilding companies in the Yellow
>>> Pages. Most of them stock a huge assortment. Take in the brushes and they
>>> should be able to match them. You can file or sand them to alter the sizes
>>> slightly if you can get something close.
>>
>> A very good idea. I callled a motor store (I've only found two in
>> Balitimore, and this is the bigger one, very big, very busy) that I've
>> bought a replacement motor for my roof fan, and he said they only did
>> AC motors, and the brushes would be too big, so I thanked him and hung
>> up, but if I'm going to have to sand them down anyhow, what's a little
>> more sanding.
>You mentioned two layers, your brushes might have a copper
>nickel and/or silver plating. That minimizes the resistance
>of the carbon brush on low voltage high current motors.
>Sanding those to fit will probably shorten brush life.
>Check the commutator for dead or burnt spots. My old 914
>had lots of motors, and I wasted many hours trying to
>resurrect the dead. Occassionally a Japanese toy or tool
>motor found a new home, all those motors aren't as different
>as one might think. Hope you get your classic back to good
>health.
Thanks. I'm sure I will.
>-- larry/dallas
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