9-14
3. Hydraulic pressure mechanism for solenoid proportional valve
The pressure oil that has had its pressure reduced by the pressure reducing valve flows to chamber
(h), then flows through passage 4 and the filter to become the pilot pressure to each solenoid.
The pressure of the oil is determined by the set load on spring 4.
Hydraulic pressure mechanism for solenoid proportional valve
4
Spring 4
(h)
Pilot flow
Electromagnetic proportional valve Electromagnetic proportional valve
Tilt section
Inlet section
Lift section
Filter
Reducing valve
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