Posted by gears on December 10, 2016 at 12:57:39 from (69.81.131.202):
What would cause a splitter ram to extend on it's own. The minute you start the engine, the cylinder extends - doesn't matter the position of the valve. Then the cyl won't retract unless you shut it down and manually push it in.
This is a home-built unit with no pressure gauge, using a vane style belt drive pump.
Pulled the Prince valve apart hoping to find a torn O-ring but it doesn't have any orings on the spool.
Would a clogged filter (Spin-on cartridge on the return line) cause this?
Could the piston seal be torn/damaged on one of the edges? 4.5" tie rod style cylinder rebuilt 4yrs ago.
Before I start tearing into it, I was hoping someone would have an idea of where to begin (I'm thinking a gauge on the pump to see what kind of pressure, it won't split a 6" oak chunk).
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