larrystn said: (quoted from post at 14:32:58 09/07/14) Eliminate the stroke control valve and it could certainly be used open center. The resevoir would have to be above the pump but it would work.
Larry
If stroke control valve was eliminated what will control pressure? I know for a fact I was quoted from a JD engineer about a nearly new JD 4430 under warranty that busted the rockshaft housing while lifting a rear JD 7 row flex bedder that the only limiting factor on now much pressure a JD CC piston pump could attain was the amount HP of the engine turning the pump IE unlimited pressure.
After giving this some thought I suppose a conventional hyd relief valve will work as long as the piston pump has a oil supply.
This post was edited by Tx Jim at 12:07:36 09/07/14 2 times.
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