Group 3 Pilot Circuit - Hyundai HX140L 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 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
Pilot pump
3-5
Remote control valve
One pedal straight travel
solenoid valve (opt)
Swing parking brake
Arm regeneration
cut solenoid valve
Relief valve
2
40 kgf/cm
Suction strainer
(RH lever)
Travel speed
solenoid valve
Power boost
solenoid valve
Boom priority
EPPR valve
140L3CI04