Can you HEAR the relief valve working when the loader stops lifting? There should be some sort of hissing or squealing coming from somewhere in the system that indicates the relief valve is opening.
If you don't hear any hissing or squealing, it's NOT the relief valve.
You need to pressure check the system.
The front-mounted hydraulic pump is generic and easy to replace. It is likely a Cessna or Eaton or another common brand pump. Doesn't matter they all use the same SAE mounting. You just need one with the right GPM and pressure capacity. Probably a 25GPM pump but you can get that off the numbers on the pump. If you want to slow the loader down you get one with a GPM rating of 15-20.
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Today's Featured Article - Little "M" - by Donnie Anderson. They call me "Little M" and this is my story. For the past several years I have sat against the tree-line, where my parts have rusted and rotted away. For all of these years I have wondered just exactly what happens to old tractors? Times were not always like this. I can remember back to 1948 when I was a brand new John Deere Model M. A man and his wife came to the dealer and looked me over real good. After many talks with the salesman a deal was struck and I, along with a M2 plow, c
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