GROUP 3 PILOT CIRCUIT RCV pedal Remote control valve (LH lever) Remote control valve (RH lever) MCV Safety lock solenoid valve Swing parking brake Travel speed solenoid valve Power boost solenoid valve Main pump Line filter Relief valve 40kgf/cm 2 Pilot pump Suction strainer 900L3CI03 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, EPPR valve, solenoid valve assemblies, swing parking brake, main control valve and safety lock solenoid valve through line filter. 3-5