Posted by John G. Hasler on September 16, 2013 at 16:03:34 from (174.124.82.31):
In Reply to: Re: Hydraulics.... posted by IH fan on September 16, 2013 at 13:38:36:
> The pump/relief valve on these old systems > should not be capable of "breaking" the cast > body of the aux. valve as the valve should be > good for 2000psi or better, but it still appears > something is broken in there.
I agree. A spool valve is just a steel rod with notches in it sliding in a steel block with holes in it.
Does that valve perhaps have a double-acting check valve in it? I can't think of any way to misconnect the system in such a way as to cause those symptoms.
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