That screen you discribe is not the hydraulic relief valve, it screens out the big hunks before it enters the filter.It will bypass oil if things get totaly pluged.The hydraulic relief valve is located is in the houseing the seat is bolted to and the three point lift arms.I think on the right side near the remote hydraulic control valves.Hex looking nut ,takes a 1 1/16 or 1 1/8 sockett to remove and its stamped with the p.s.i. rateing like maybe 1600.
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Today's Featured Article - Product Review: Electronic Ignition - by Staff. Oil, for example has come a long way in the last 50 years and I don't use anything but the latest API grade available. I've heard the arguments for non-detergent oils but would never trade it for today's formulations. Paint is another, the modern acrylic enamels are great for resistance to grease and fuel stains, retaining their shine and they last forever; unlike enamels and lacquers . Still another is the alternator. No doubt using the original generator keeps the tractor pure, but for thos
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