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Farmall & IHC Tractors Discussion Forum
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H PTO

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Al in Mn

08-28-2007 20:52:09




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What makes the PTO on an H pop out of gear and what canyou do about it?
Thanks




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Al in Mn

08-29-2007 16:39:35




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 Re: H PTO in reply to Al in Mn, 08-28-2007 20:52:09  
I changed PTO shafts and still had problems. The teeth on the PTO shaft looked good, I couldn't see
what the teeth in the transmission looked like, which end is most likely to be worn from putting it in gear?

Al



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Janicholson

08-29-2007 05:54:26




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 Re: H PTO in reply to Al in Mn, 08-28-2007 20:52:09  
Aas Patrick indicates, the Ball and spring that hold the lever and "dog clutch" in gear may be rusty of weak. That allows the lever to drop with the weight of the rod. Ifyou can feel a good detent in the on position with it not running, the problem might be in the dog clutch inside. Worn teeth from raking it into gear, or wear from thousands of hours of operation, can damage the teeth to the point that they jump out. My test is to put a string or cord on the loop of the rod and hold on to it while using the PTO. If the string is forcefully pulled down, it is probably the teeth. Either way it is necessary to pull it out to repair due to the enclosed nature of the assembly. JimN

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Patrick Martin

08-28-2007 21:09:17




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 Re: H PTO in reply to Al in Mn, 08-28-2007 20:52:09  
Crud in the detent ball??? Maybe?



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