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This post was last edited and deleted by Instant Meteor 886 on 2022-10-5 at 19:58
Outlet pressure + spring force = Inlet pressure
It’s best to find the drawings provided by the manufacturer, as they’re still hard to understand even then
That small hole seems to be the path for the lubricant to flow through
Agree with what was said above: there is a small amount of lubricating oil in the pilot hole. Based on the inlet and outlet pressures, the spring is compressed to an appropriate extent, thereby balancing the pressures on both sides of the valve core and controlling the amount of oil that passes through the gap in the valve core, thus achieving balance
Agree with the person above. That gap is used to adjust the oil pressure.
You’ve learned it already; why are you tearing it down?
Check the oil circuit; if it seems interesting, take it apart to have a look: lol
Is there a guide wire? It seems to rely solely on elasticity to reduce pressure