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Hydraulic Manifold valve disassembled Well, I was able to get the Manifold valve apart thinking there may some additional "O" rings inside there that was causing leakage between the return and pressure. These are just tolerance fit valves and no "o" rings. Getting them apart is actually easy...

Hydraulic Manifold selector valve - removing knobs Just wondering if anyone has been able to get the knobs off the manifold valves, and how did you do it? I tried getting mine off with insterting a bolt in the bottom hole, but it did not budge. This is the only part of the manifold that I...

Aleigh, Thank you. I found the correct sizes of "O" rings at Marting Fluid Power (MFP) and was interested if you ever located the valves. Thanks for answering my question, and suggesting commercial like valves. I will see if MFP can get these. It would be nice to do a full rebuild of these...

Aleigh - where you able to locate the valves? I took my manifold completely apart and replace with all new "O" rings.. The only thing I did not disassemble is the pulling the insides out of the selector valves since I could not get the knob to release. The "O" rings where replaced on the...

Any update on what fixed the problem? I have the same problem, for the cab lift. If I crack the return line on the cab hydraulic cylinder, it lifts the cab, but you loose hydraulic fluid. Otherwise the cab goes up part way, and then there is pressure that stops the cab from lifting any more. Any...