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Ashley: First off, how full have you got the reservoir. Take the fill plug out and with tractor idling, place levers and rockshafts in the rear position. At that point, whatever belched out is excess and the unit is full. Hydraulic systems on these tractors should always be filled with both rockshafts in rear position. After you've done the above, you should be able to find a position about center on both levers, where there is no demand on the system. If you can't find a point in the levers range where there is no demand, then the guy that rebuilt the unit, screwed up, and you should take it right back to him. I'm not saying you don't have adjustment problems, however adjustment will not correct it if there is an internal blockage. The adjustment problems we speak of, occur only near the end of the lever travel range, and can occur at one or both ends of the range. Once you get to the point that you have no demand on the system with levers and rockshafts at center position, then adjustment is quite simple, and you must do one lever at a time leaving the other lever at center. If demand is occuring only at one end of lever and rockshaft travel, then adjustment can be made where linkage attaches to below pivot on lever until you eliminate demand. If the range is to large or to small, there are stops, left and right side for each lever, just where linkage goes under cast of unit. What you have to achive on each side is make those adjustments so lever hits cross bolt at top of lever cage, just as the respective rockshaft reaches it's end of travel. It's not rocket science, once that piston within the unit, for each rockshaft reaches it's end of travel, there is no point in lever trying to force it further. Doing that is quite similar to holding a remote valve on a big tractor in lift position when cylinder has reached the end of stroke.
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