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Hello,
Could you please give me some advice on my problem. My TO-20 Ferguson sat unused for a few months and when I started it up the lift went up and wouldn't come down. I was told it may be struck control valve due to moisture in the oil. I drained it and oil was milky. I removed the top cover under the seat, removed ram cylinder, checked with air pressure and that moves in and out fine. I didn't know to check if fork from finger tip control was detached from the control valve before removing top cover. I then was able to push control valve in freely with my fingers so I assumed everything was ok with the control valve. I put everything back together and filled with new oil. Still no up or down with hydraulics. I have a shop manual but it has no details about what the control valve actuates inside the pump. Can you help me out with this? Do you think this is where the problem lies and can you give more detail on how to repair than the shop manual does? Thank you.
Gary