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Tractor Talk Discussion Forum

disconnecting bush hog from tractor

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john wilson

01-04-2006 12:54:38




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I am trying to disconnect my Hardee 6o inch bush hog from the MF 35 tractor PTO. The drive shaft does not have a yoke plunger by a ring that needs to be turned to the right to release. However, either the ring isn't turning far enough or, if it is, I am having unusual difficultly sliding the drive shaft off. I have tried hammering the drive shaft in the direction it should go to slide off but no movement. Any suggestions would be welcome.

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Allan in NE

01-06-2006 05:52:52




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-04-2006 12:54:38  
John,

Have you tried "hammering it back on" to relieve the pressure?

Maybe the thing is in a bind.

Dunno,

Allan



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fixerupper

01-04-2006 20:03:50




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-04-2006 12:54:38  
After using penetrating oil like the guys suggest try tapping the yoke farther onto the tractor just a little bit to try to jar it loose so the oil can get in there. If the shaft is square or rectangular try to get a wrench on it if the shields allow and rock the shaft back and forth with all the oomph you can give it to try to crack the rust. Jim



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Billy NY

01-04-2006 15:20:57




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-04-2006 12:54:38  
I had this happen on our challenger tractor this summer, saw one of our guys hooking up the post hole digger, I knew it had not been in service for awhile and it actually was froze into the ground inside the one barn that takes on water every year, I saw the yoke was rusted, and I asked him, "did you clean out and lube the splines 1st ? The lying p.o.s said "yes", when I went to unhook the P.T.O. shaft, it would not budge, was 95 deg F out and humid, after working at it with a 6'-0" bar for over an hoour,after I did find a way to get a bite on the edge of it without wrecking anything, it slowly was persuaded to slide off, was still rusted, and no lube on it. I really hate a liar, so now, no one is allowed use of our equipment, can't trust them to grease and take care of things properly, just have to do it by hand, or wait for me. I can't ever recall having this kind of a problem, with any P.T.O. driven implement since I started as a kid. I cleaned the splines carefully with a wire brush and applied my favorite grease, so much easier, slides nice now, rusty splines and the fact that he jammed it on the P.T.O. shaft sure bonded the 2 togehter tightly. Everyone has their snake oil, I like Kroil by Kano Labs and Free All, by Federal Process, for tough jobs, PB, WD, Liquid Wrench have always done fine, but for the tough jobs these have proven themselves too, Free All is kind of expensive per can, but you don't use much, a can will last will last quite some time on average, has that heavy industrial aroma to it, must have some volatile organic compounds in it, something about the hideous smell of some of these, makes you think it's strong at least.

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Vacherie

01-04-2006 14:40:40




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-04-2006 12:54:38  
I need a drive shaft with the sliding collar. I need a source as I haven't found one at my regular sources.



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Steve from Arkansas

01-04-2006 14:14:09




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-04-2006 12:54:38  
I have trouble with one of my bush hogs that has a collar that has to be slid forward or backwards, I can never remember and it goes both ways. I usually disconnect the lift arms and top link, pull tractor forward and let the PTO shafts slide apart then I have more room to work with it. If the front shaft is too long it can be jambed on to the tractor pto when you lift the bushhog.



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kelly campbell

01-04-2006 13:06:44




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-04-2006 12:54:38  
I would try so PB Blaster or WD-40 on it, also Silicone Release spray works really well! I'd hose it down and let it sit for about twenty minetts or so then try to remove it. Once you get it off be sure to clean it up and greese it up really well so that it won't happen again

Good luck I'm sure will chime in soon



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john wilson

01-04-2006 13:19:05




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 Re: disconnecting bush hog from tractor in reply to kelly campbell, 01-04-2006 13:06:44  
Thanks...I will try the WD-40



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Tim Shultz

01-04-2006 13:38:33




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-04-2006 13:19:05  
hey there, the PB blaster work's better and faster... don't know if you have tried it but once you have you won't ever use WD 40 again..
Tim Shultz



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old

01-04-2006 14:05:25




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 Re: disconnecting bush hog from tractor in reply to Tim Shultz, 01-04-2006 13:38:33  
And tranny fluid works even better the PB and cost less then half what the PB costs



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Tim Shultz

01-04-2006 15:08:19




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 Re: disconnecting bush hog from tractor in reply to old, 01-04-2006 14:05:25  
never heard that one before...
might try it on some headers I have to take off.
Tim Shultz



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old

01-04-2006 15:35:22




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 Re: disconnecting bush hog from tractor in reply to Tim Shultz, 01-04-2006 15:08:19  
Also works better on stuck engines and most other things. Been useing it for years and the only time I now use PB is in places I can't pour the tranny fluid.



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Tim Shultz

01-04-2006 17:17:21




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 Re: disconnecting bush hog from tractor in reply to old, 01-04-2006 15:35:22  
thanks for the tip! will give it a try soon!
T.S



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john wilson

01-05-2006 09:04:20




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 Re: disconnecting bush hog from tractor in reply to Tim Shultz, 01-04-2006 17:17:21  
Thanks for these replies. It is now obvious to me the problem is not that the drive shaft is stuck on the PTO but that the twist lock mechanism is not working correctly and is not releasing the drive shaft from the PTO. I do not know what to do about this.

John



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Chris Pritchard

01-06-2006 00:34:46




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 Re: disconnecting bush hog from tractor in reply to john wilson, 01-05-2006 09:04:20  
It would seem to me that if the twist lock would not disengage, the obvious solution might be to destroy the lock until you can pull the shaft off. If you go this path, be sure to replace the PTO coupling or have a spare shaft handy.



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John Wilson

01-06-2006 05:42:20




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 Re: disconnecting bush hog from tractor in reply to Chris Pritchard, 01-06-2006 00:34:46  
Chris: thanks for that drastic suggestion, which is my present plan, and I will make sure to replace the coupling with the yoke plunger type this time.

John



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