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Farmall & IHC Tractors Discussion Forum
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Farmall 504

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Ji Case 35172

12-02-2017 07:25:02




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I have a Farmall 504 and being dumb I engaged the PTO when it wasnít running and I heard a snap and now the PTO goes all the time and a canít shut it off. Is it just a pin or what. Thanks for anything you guys can tell me.




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BarnyardEngineering

12-02-2017 17:43:02




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 Re: Farmall 504 in reply to Ji Case 35172, 12-02-2017 07:25:02  
You did nothing wrong by engaging the lever without the tractor running. There is no reason you can't do that. Whatever broke was ready to break and would have broken whether the tractor was running or not.

Try some troubleshooting first. With the tractor off, move the lever and follow the linkages back to the pto unit. Observe what moves and what doesn't. Where one thing moves and the next thing doesn't, is your problem.

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Gary(va)

12-02-2017 12:20:12




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 Re: Farmall 504 in reply to Ji Case 35172, 12-02-2017 07:25:02  
If I remember correctly there are two woodruff keys and a pin on the shaft. I would drain your oil and pull the pto to inspect. I think it's only four bolts to take the unit off. Don't remove the bolts at the very back of the pto housing. They're closer to the front of the housing. Again I'm just going off memory from about a year ago.



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Ji Case 35172

12-02-2017 18:05:04




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 Re: Farmall 504 in reply to Gary(va), 12-02-2017 12:20:12  
On the top there is a big cap that you can un screw itís like an inspection hole there is a top shaft that moves and then one underneath it that doesnít and it looks like a pin is there that is supposed to connect the two I think that is what it is.



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tomtinker

12-02-2017 07:55:18




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 Re: Farmall 504 in reply to Ji Case 35172, 12-02-2017 07:25:02  
Pull back slightly,push the release button and push the lever forward all the way.



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Ji Case 35172

12-02-2017 11:33:33




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 Re: Farmall 504 in reply to tomtinker, 12-02-2017 07:55:18  
I just tried that nothing happened when I used to do it I felt more resistance now itís like nothing at all



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tomtinker

12-02-2017 13:44:40




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 Re: Farmall 504 in reply to Ji Case 35172, 12-02-2017 11:33:33  
Sometimes if you let them set around the disks will rust together. If so hitch the pto to something and start the tractor to shake it loose.



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