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Implement Alley Discussion Forum

Welding PTO yoke

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Lee in Mo

06-07-2004 10:57:57




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Need some help, one of the yoke loop that holds in the U joint on my pto shaft has cracked into.

I am sure these are cast, but can they not be welded back?

Thanks for the help!
Lee




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JMS/MN

06-08-2004 14:16:47




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 Re: Welding PTO yoke in reply to Lee in Mo, 06-07-2004 10:57:57  
Best bet is to buy a new yoke- $15-20. Usually when they break while running, they also twist some, and if you weld it you will get a wobbly driveshaft, and the cross parts will not fit right. Fairly easy to weld a new yoke on a shaft and get it straight.



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Very Dangerous

06-07-2004 19:42:33




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 Re: Welding PTO yoke in reply to Lee in Mo, 06-07-2004 10:57:57  
IMHO you should not weld it. The chance of injury to yourself is too great, not to mention the unlimited liability of injury to a worker. Buy a new one.



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hot rod

06-07-2004 18:18:38




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 Re: Welding PTO yoke in reply to Lee in Mo, 06-07-2004 10:57:57  
lee sorry to bring in bad news but paul is right.to weld it properly you need nickle rods if the yokes are cast, and by the time you go and buy nickle rods you can replace the yoke probaly as cheap and will have a better finished product.also theres really not enough room to get a really solid bead to take the stress' that the yoke will see. i used to weld a lot and have the equipment if it were mine i'd replace the yoke or half the shaft if possible. good luck

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paul

06-07-2004 11:08:27




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 Re: Welding PTO yoke in reply to Lee in Mo, 06-07-2004 10:57:57  
Some metal experts are real wizards and can do anything.... Hard to line up, keep from warping, all that. Those yokes need a lot of strength & lots of prescision to them.

Is it a special piece, or just a regular yoke? Farm supply stores sell all sizes for not much money, weld a good new yoke on your shaft?

--->Paul



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Fred OH

06-08-2004 14:26:43




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 Re: Re: Welding PTO yoke in reply to paul, 06-07-2004 11:08:27  
Excuse me gents...but I think he means cast steel and I believe he's right...and it will weld just fine with low hydrogen rod. I would weld it right in place with a C clamp holding it tightly in place...and purchase a new one to replace it with soon. As he said it is the shaft, so all he'd have to do is grind the weld off of the old one, knock it off the shaft and put the new one in place and run a bead around it. Sometimes a man has to take a chance because of weather or today's hectic pace. Anyhow, if you aren't a good welder find someone who is...and don't get it too hot and melt the rubber on the cross off...a garden hose will keep them cool but don't put it directly on the weld area. A slip clutch will probably keep it from getting cracked again. Fred OH

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