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Ford 850 3 point advise

J

Joe850

New User
I'm having an issue with my 3 point lift on my 850 and I can't seem to find anything similar when I search.

When I lower my 3 point past a certain level it will not raise on its own unless you manually raise the lift bars up about 8-12 inchs I would guess. it then "catches" and raises the rest on its own.

Also, when I lower it halfway it seems to creep down. When its fully raise with tractor running it will stay there. It may slowly creep down when shut off, but not instantly. I can't remember.


I have a loader and it works fine, so ruled out hydraulic pump issues.

I bought a gasket/piston seal kit, but before I tore into it I wanted to know what to look for.

Thanks in advance,

Joe
 
Could be the cylinder wall is scored badly at the lower end of the stroke and so the fluid leaks past the seal until it moves with your help past that area and then it seals well enough to lift on its own. Dropping slowly on its own once you lower it down to a certain point could be caused by the same thing, leaking past the piston seal at the lower end of the stroke.
 

I thought maybe someone that knew more would respond here. The only thing that manually raising the lift arms could affect is the cam follower pin. That means the pin is either badly worn, or your control linkage needs adjustment or repair.
 
(quoted from post at 09:16:40 02/18/19)
I thought maybe someone that knew more would respond here. The only thing that manually raising the lift arms could affect is the cam follower pin. That means the pin is either badly worn, or your control linkage needs adjustment or repair.
Click to expand...
y thoughts, exactly.
 
Thanks for the advise.

One thing I did notice, if I play with the draft control it will "catch" and start lifting. If that helps diag at all.

I'm heading the the NH house now to pickup a pin and cover housing gasket.

I did some more searching and found a user on here named Zane that had some adjustment book, but all the links are broken. Going to try and get an IT manual for the alternate adjustment.
 
(quoted from post at 14:53:41 02/18/19) Sadly the Zane you refer to, AKA Zane Sherman, passed away Aug 24,
2018.
Click to expand...

I'm sorry to hear that, he sounded like a great guy and invaluable asset to the forum.

I just wanted to follow up with my findings. The cam follower pin was completely sheared off. I replaced it and my piston seal.
Works great now! Draft control is not working right, but at least I can finish my work. I'll save that project for another day.

Thanks again for all the help!
 
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