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Lincoln County. NC | Air testing is a good idea, but here's my guess. Top 2 ports in photo #1 are work ports for top spool.
Middle port in same photo is "in".
Bottom port is work port for second spool designed to operate a single acting cylinder(s).
Port on bottom w/plastic cap is return. Valve bolts directly on loader frame which is the tank, or bolts to a return manifold.
Valve designed to operate an old front end loader with no downpressure on the lift cylinders.
Edited by RickB 9/21/2013 16:54
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What Make of Hyd. Valve is this?
