Hitachi ZW180 Technical Manual page 303

Operational principle, wheel loader
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COMPONENT OPERATION / Ride Control Valve
During Normal Operation:
Sleeve
HP
During Relief Operation:
Sleeve
HP
Make-Up Valve
Main Poppet
LP
Spring C
Spring Chamber
Main Poppet
LP
Spring
Chamber
Orifice A
Orifice B
Spring A
Orifice A
Orifice B
Seat
Spring A
T3-8-9
Seat
Passage A
Spring B
Pilot
Poppet
Passage A
Spring B
Pilot
Poppet
T176-03-03-012
T176-03-03-013

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