White 2-60 4wd tractor with an external hydraulic pump mounted to the secondary PTO shaft. Hydraulic fluid is in separate reservoir. So it does not use the tractors internal fluid. There is a good quality zero to 3000 psi gauge in the circuit.
The pump uses the Gresen valve to operate the front loader and for a few days a year a log splitter.
When the cylinders bottom out in either the loader or the log splitter you hear a howling sound, probably the relief. It then shows 2,200 psi on the gauge. I want to increase system pressure to about 2350 psi so I can get about 150 lbs more lift on the loader. I think this would be a safe limit.
So I assume I just back off the locking nut and turn in the adjuster screw about 1/4 turn at a time until I get to the pressure I want.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
... [Read Article]
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