Posted by fixerupper on August 10, 2018 at 18:27:27 from (108.161.63.136):
Generator off a 630 Deere pos ground quit charging. It's a rebuilt from Deere I put on maybe 7 years ago or more. It will motor but it will not charge with the field grounded. I ran a ground jumper from the regulator frame to a good ground on the tractor frame and I ran a ground from the genny frame to good tractor frame ground but that didn't change anything. I pulled off the end cap and this is what I saw. It's not very clear, the top bar on the commutator has a burned spot in the middle. The brushes have not been making good contact across the commutator. All in all there is not a lot of wear but it looks to me like the rebuild job was done pretty fast and incomplete. Is this genny junk or is there some salvation in it? I could turn the commutator in a lathe to true it up but I don't think that will help me out.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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