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Hi All - I just joined this forum (but have been lurking for years LOL)..and have a problem you may be able to help with...

2002 Rancher 350...

Starter died..replaced worn out brushes and tested starter on bench with battery charger...

Starter worked before I took it off to replace brushes if I knocked it with a hammer...

Reinstalled the starter and it just spins - without engaging motor..

Everything points to faulty one-way bearing..but it worked fine prior to removing starter.. I find it hard to believe that the one-way bearing failed at the same time that I replaced brushes...unless I damaged it in the process of removing / reinstalling starter?

Anybody have any ideas? I dont feel like pulling engine out if I dont have to....

I would appreciate any insight,...thanks..

Ken S.
 

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When you had the starter motor apart, you may have turned the center section around end-for-end during re-assembly. You should mark the sections of the starter before taking it apart to make sure that they get put back together exactly as they were. The center section contains the permanent magnets, and if it happens to get turned around, the polarity of the magnets is reversed, and the result will be that the starter motor will spin in the opposite direction. If the starter motor is spinning in the opposite direction, the one-way bearing will just allow it to spin and not transmit any drive to the engine.
 

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That was it! Thank you ktriebol!!

Thank you very much for your help! Flipped the center section around and reinstalled the starter and it works fine!!

Thanks again for taking the time to reply.. You have saved me a lot of grief and $$...

Great people on this forum!!
 
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