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I will describe the lift assembly as best as I can. The lift lever activates 2 micro switches that one or close the electric solenoid valves. One valve seems to let fluid go to the top of the lift piston, the other seems to hold the lift in place. These solenoids are sitting on top of a valve body that has at least 3 valves in it maybe more. I was told that I could replace this valve body with a mechanical one if I could find one. The lift will stay up only if you close the flow control valve all the way. If you open it with the engine off it will leak down very slowly ( 30-45 minutes)if you leave the key turned on. If you turn the key off the lift drops all the way down very quickly. I guess the electricity to the solenoids is shut off. The lift will not work at all without the key turned on even if the engine is running. AS for as performance, the condition does seem to get worse the longer the tractor runs. The oil is not frothy while it is hot and this tractor has no filter, only a wire screen that I have cleaned. While the lift is trying to lift the load it seems like part of the oil is going to the piston and part of it is going back into the pan. It even sounds like oil gushing back into the pan while it is trying to lift. I thought a line inside had come loose. How can I test these valves to make sure they are working properly? Thanks for any help.

SD2203
Shibaura
Replies 7 Post by d. brooks