Factory pressure for the SH live hydraulics is 1,200 psi. You can swap in a lower spring rate (softer) spring into the relief to lower the relief setting. Or plumb an external 1,200 psi relief valve into the pump outlet.
You should do this ASAP - especially if your H still has the original cam drive gear! The load you're putting on it when dead-heading at 1,500 psi carries a high risk of breaking the gear.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
... [Read Article]
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