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Re: Update on Farmall H Loose lift-all drive shaft.

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John in ct

01-24-2013 13:34:58

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I worked on it today. I took the round nut off, the Locktite wasn't too bad because there must have been oil on the threads. I reassembled it with the biggest cotter pins that would fit. I bent the ends over so they won't catch anything. If I turn the shaft 1 turn in to the transmission, the drive shaft is loose. If I then turn the driveshaft out 1 turn, the driveshaft is tight against the round nuts. I left it loose. I guess my concern is that if the driveshaft is loose, there may be wear problems. Thanks!

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01-24-2013 15:22:08

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 Re: Update on Farmall H Loose lift-all drive shaft. in reply to John in ct, 01-24-2013 13:34:58  
With much respect, the foundation of understanding of this repair is faulty.
THE scoop:
The shaft is supposed to be loose between the drive and driven couplings. The only thing holding it in place should be the cotters.
The couplings cannot be left loose, they will tighten up as soon as the tractor is operated.
The threads on the couplers (you call them round nuts) are right hand thread on both drive and driven.
The shaft turns in the direction of tightening them into the trans and into the pump. No choice.
Leave it as is, it is now correct, and both drive and driven are tight into their threads.

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