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 - Identifying Tractor Smells - by Curtis Von Fange. We are continuing our series on learning to talk the language of our tractor. Since we can’t actually talk to our tractors, though some of the older sect of farmers might disagree, we use our five physical senses to observe and construe what our iron age friends are trying to tell us. We have already talked about some of the colors the unit might leave as clues to its well-being. Now we are going to use our noses to diagnose particular smells. ELECTRICAL SMELLS
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