Group 3 Pilot Circuit - Hyundai R480LC-9S Service Manual

GROUP 3 PILOT CIRCUIT

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 filter.
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
Pilot pump
3-6
Remote control valve
Swing parking brake
Travel speed solenoid valve
Power boost solenoid valve
Boom priority EPPR valve
Relief valve
2
40kgf/cm
(RH lever)
Suction filter
48093CI01