Posted by Charlie on December 09, 2012 at 04:19:38 from (24.62.108.143):
In Reply to: Re: Drott Skidloader posted by tpmx on December 08, 2012 at 07:27:17:
I suppose that if one line were plugged, the other would try to lift, but it would face some suction pressure as the other cylinder would be creating a vacuum where fluid (or air from the rod packing) were not available. Here are my latest thoughts: 1. Try very hard to listen for any fluid movement or even a twitch in the hoses at the cylinders when you try to lift. Maybe crack a hose at the cylinder on the pressure side for lift. I think you will get something. 2. The pressure may not be enough to lift, even though you can get downpressure. Your main pressure relief valve is presumably a pilot operated relief, and there is a procedure for adjusting that. I made a tool for mine and adjusted it up. If you don't have a diagram, I could send you the page from my IH TD340 hydraulics manual, probably slightly newer than your machine. 3. There could be a problem with a check valve in the valve body, either blocking flow or somehow relieving pressure through another circuit. 4. The pump could be too weak to lift.
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