Group 3 Pilot Circuit - Hyundai HX130LCR Manual

GROUP 3 PILOT CIRCUIT

Remote control valve
(LH lever)
MCV
Main pump
The pilot circuit consists of suction circuit, delivery circuit and return circuit.
The pilot pump is provided with relief valve, receives the oil from the hydraulic tank through the
suction strainer.
The discharged oil from the pilot pump flows to the remote control valve through line filter, EPPR
valve, solenoid valve assemblies, swing parking brake, main control valve and safety lock solenoid
valve.
RCV pedal
Safety lock
solenoid valve
•
•
•
Line filter
Relief valve
40kgf/cm
•
Pilot pump
3-5
Remote control valve
(RH lever)
Swing parking brake
Travel speed solenoid valve
Arm regeneration solenoid valve
•
Power boost solenoid valve
Boom priority EPPR valve
2
Suction strainer
(210-7) 3-05