If you can find a valve that has the "pressure beyond" configuration, all you need then is to plumb it in line between the pump and the existing Fast-Hitch valve. There will be a pressure "In" port, the "Pressure beyond" port and the two "Work" (notmally marked A and B) ports. If you have two way cylinders on the loader, you will plumb one work port to the bottom or head end of the cylinders and the other to the rod or bearing end of the cylinders. If you have only one way cylinders, you can either cap the second work port, in which case you will build relief valve presure when you move the valve that way to lower the loader, or you can return that port to tank, in which case it will just circulate back to the reservoir when moved that way. When you are not using the loader and want the F-H, it should operate normally, unless you move both the loader and F-H valves at the same time.
This post was edited by IH fan at 00:59:39 10/06/12.
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