If your hitch linkage is adjusted correctly the system will not go on high pressure when lever is full raise or lower. If you are getting 1400 psi by activating aux valve lever that sounds good for pump and relief valve, sooo I am thinking your fluid is by passing right at the hitch cylinder or the check valve of the hitch cylinder. You can easily check either or both. Just unhook hoses from check valve and hook directly into block check valve is bolted to and plug block outlets. To check cyl just unhook hose that is return while lifting. With some kind of a load on hitch, and hitch not moving no oil should come out.
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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