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Subject: Hydraulic lift stuck in mid position

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Dead Eye Dave    Posted 07-21-2019 at 14:22:32 [URL] [DELETE]        [Reply] [No Email]  
  • Hydraulic lift stuck in mid position
  • Tractor....1952 Late Model side distributor. Hydraulic oil changed last year. 75W90
    I have been using it the past couple of days and everything was AOK. Today I raised the disk up off the ground while I replaced a bolt and spacer in the disk. I left the tractor running while I did the job. When finished I tried but could not raise or lower the disk. Lunch time, so I turned the tractor off and left the disk to leak down on it's own. As I was having lunch nearby I heard what sounded like something had released. I went back, started tractor, and everything worked as it should. Wanting to be pro-active I thought I might ask here if anyone has an idea what might be wrong?

    DED    Posted 07-25-2019 at 03:51:24 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Hydraulic lift stuck in mid position
  • Well, no answers and that is OK. I do believe that one of the valves in the hydraulics is sticking for some reason.....maybe worn? This only seems to happen when I have my heaviest implement on the lift. The disk is the culprit. With the spring tooth, carry all or Bush Hog it never does this. I wonder if some sort of friction additive in the oil might mitigate the problem? Anyway, I am done with the disk for this year. Problem will be addressed more thoroughly during the winter. Dave

    Shane007    Posted 08-11-2019 at 17:40:31 [URL] [DELETE]        [Reply] [Email]  
  • Re: Hydraulic lift stuck in mid position
  • It was the intake and/or exhaust valve sticking. It happens but isn't a problem unless its a problem. Dropping the pump and cleaning the valves and where they fit works wonders.

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