MF35 hydraulic lift full up

Tom McFalls

New User
Started my old 35 after several months and the lift went full up (with a mower attached). Before I could catch it, there was a loud crack and the mower dropped to the ground. I assumed the lift lever was left or placed inadvertently full up. Now I am not at all sure.
Removed the lift cover and found the lift cylinder cracked.
Replaced the lift cylinder, pressure relief valve, piston, and rings. Replaced the filter, changed the fluid.
Started the tractor and immediately shut it down after noticing the lift headed up (with the loft lever full down).
The lift will start up by just turning the engine over with the starter. Removed the cover again but can find no issues.
There is a pin attached to the draft control that was apparently frozen into the cover. Not sure what it's function might be but a tap with a hammer freeed it up but left a part of the pin I'm the cover. I have never used the draft control since acquiring the tractor over 30 years ago.
Ideas or himts?
 
Drain out some of the oil and then remove the round cover by your right foot. I suspect that the lever hanging down is not in the correct alignment with the oscillator rod sticking out from the back of the hydraulic pump.
 

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