Sounds like an older unit on a frame of some sort. Has the frame been welded on since it was built. These welders were DC and if the frame was welded on with an AC welder the generator could have lost it's polarity. An old friend of mine had a Hobart welder hooked to a jeep engine. It stopped welding after he welded on the machine with an AC buzz box. He had to hook up several car batteries in series and touch the ends to two terminals in the generator. The generator was then Polarized and would weld again. I did not explain that real clear but I would bet that one of the electricians on here could make it more clear. I had a similar problem with a generator on a truck. I did some welding on the truck frame with an AC buzz box, the generator stopped working. I had the generator checked out. Fields were good armature was good, and good brushes. This shop could not fix it. I gave it to a guy that knew generators and told him what I had had done to it. The first thing he did to it was to polarize it then checked it on the bench for output, problem solved.
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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