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Implement Alley Discussion Forum

PTO shaft fix?

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Keith in Kelsey

08-28-2006 11:36:52




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I knew I should have adjusted that hitch before I used the rock picker. Unfortunately the hitch pin wore through the PTO shaft. Now I'm wonderring can I just slide a pipe over the break and weld it together? Or is there a preferred method to fix PTO shafts?

Thanks much,
Keith




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Hurst

08-29-2006 16:06:15




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 Re: PTO shaft fix? in reply to Keith in Kelseyville, 08-28-2006 11:36:52  
Be careful of the yolks if you get one made custom. You want the yolks to be on the same plane on each end so you get the equal angualar effect. All of the rectangular yolks we have bought to fix from a generic source have been 90 degrees off (when the shaft is laid down so the original yolk is horizontal, the replacement generic yolk was vertical. It seems to be a way to keep you coming back to the dealer for OEM parts. This happened on a 311 square baler, which we replaced the shaft with a NH shaft and it ran a lot smoother, and also on an old New Idea spreader shaft, which I don't really bother with since it is hardly turned and there aren't any parts that a little vibration will hurt. Good luck

Hurst

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Fighting suburbia in NC

08-29-2006 05:46:15




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 Re: PTO shaft fix? in reply to Keith in Kelseyville, 08-28-2006 11:36:52  
Easiest fix is to take it to a driveline shop. The shaft on my Howard Rotavator had the shaft tube twisted off when I got it. Fortunately they had saved both pieces of the tractor end of the shaft. I took it to a big truck driveline shop and they rebuilt the shaft for $90. Howard wanted $400 for new shaft. A shop will have the equipment and proper tubing to keep everything lined up properly when welding it. I doubt they would balance unless necessary, but they might, and they will have the equipment to do that.

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IBorange in TX

08-28-2006 19:40:58




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 Re: PTO shaft fix? in reply to Keith in Kelseyville, 08-28-2006 11:36:52  
I am assuming that the shaft has the solid insert at the end of the shaft. If so, then go to farm store and purchase the insert and the correct tube. Cut the old piece off of the yoke and weld on the new tube. Be sure to line up the yokes on both ends for balance. Much cheaper than a new shaft. Besure to check the ware on the square part of the shaft.
I have repaired several shafts with this procedure. Not too costly and much faster.
Good Luck..... .

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bjr

08-28-2006 14:08:43




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 PTO Shafting hard to get. in reply to Keith in Kelseyville, 08-28-2006 11:36:52  
Good luck in finding correct tubing locally, unless in or near major city. PTO tube has to be able to slide into each other and standard of the shelf rectanular tube has a inside seam that won't let that hamppen. Most retail stores can "order it". Try Agr-Supply for complete unit. I know the pain of peice mealing a PTO shaft. Buy the complete thing and be able to get back to farming a lot quicker. bjr

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Keith In Kelseyville

08-28-2006 14:36:25




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 Re: PTO Shafting hard to get. in reply to bjr, 08-28-2006 14:08:43  
The part with damage is the outer sleve of the PTO shaft about 12 inches down from the U joint on the tractor side. The pipe is like a 2" with a rectangular part allowing telescope entry of a rectangular shaft in the other end. It only damaged the round pipe. I was hoping for a quick fix, but probably easier and cheaper to replace...if I can find a replacement. Thanks, Keith



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paul

08-28-2006 12:04:57




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 Re: PTO shaft fix? in reply to Keith in Kelseyville, 08-28-2006 11:36:52  
What type of shaft - square (actually usually retangular), round, or triangle tube? Inner or outer piece that broke? Does the other 1/2 need to slide past this broken area ever?

While you can weld it back together - you need to keep the knuckles in time (1/2 turn from each other on the ends) or it will knock. As well you need to get it fairly well balanced & straight. As well the torq is going to put a strain on possibly rsther thin tube weld area.... So it depends on your welding skills.

Easiest is to go to a farm supply store & buy the type of tube you need, cut to length, and weld (or pin) onto the knuckle - being sure to keep it timed, or phased, properly.

--->Paul

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