Hi Ken,
You must live somewhere down in the south if you were going out plowing yesterday! Here in Michigan, along the Lake Michigan shoreline, my wife and I can only "think" about getting out and working the ground.I don't have my tractor manual here in front of me (it's out in the shed with the little C), but I'd like to offer a couple of suggestions: It sounds like you're not returning fluid back to the tractor from the lift cylinder. I'm thinking that your hydraulics are not allowing the fluid to "reverse" and flow back into the transmission. (Here's where I need my manual because on my little C, it's a one-way cylinder; pressure raises the lift, and when you push the control handle down, the hydraulic valve goes to "return", and the weight of the lift forces fluid back into the tractor; I don't know if the CA is like this or whether it's two-way, but in any event, it sounds like you're "pressurizing" the lift. Does your control handle move the valve completely? You could have a "stuck" valve that is only allowing pressure but no return. One suggestion, rather messy, might be to shut the tractor off, crack the line to the cylinder to allow fluid to bleed out and retract the cylinder, tighten the line, make sure the handle is in the "down" position, start the tractor and see if it pops right back up again. That would verify the hydraulic valve is always putting out pressure. The other suggestion is to make sure that the ram isn't bent in some manner and binding up the cylinder. It wouldn't take much. I guess I'm saying make sure your mechanicals are not bound in some way. Wish I had my manual here to offer some other advice, but I'm sure someone with more knowledge than me has some other thoughts. Good luck.
Dave
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