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Re: Farmall A Magneto skips time

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Plant Doc

07-31-2013 11:05:51

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I had the same problem a few years ago. Took me several weeks and some new words to figure out what was causing this. The mag drive gear or timing gear was moving toward the front of the tractor letting the mag lags slip out of the slot in the timing gear. The only thing that keeps the gear from moving away from the mag is a thrust spring and thrust pin. To get at them you need to remove the governor housing. You can do this without removing the radiator but it takes a little time and patients. Once that is removed you will see the shaft that is connected to timing gear. It has a thrust bearing and thrust sleeve riding on it. The shaft is hollow and it has a spring and pin in the end. That spring is either bad or needs to be stretched a little to hold that timing gear into and toward the mag. Hope this helps.

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gene bender

07-31-2013 11:43:06

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 Re: Farmall A Magneto skips time in reply to Plant Doc, 07-31-2013 11:05:51  
Great tip i had forgot about that. Ive had some to replace that spring and get all the busted,rusted old one out cand sometimes be fun. You can go to a store that has a great selection of spring to get a new one. We have a hardware store near her and they do have them same as the bumber spring in the gov.

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