Pilot Circuit - Hitachi ZW180 Technical Manual

PILOT CIRCUIT

Outline:
Pressure oil from the pilot pump is used in order to
operate the circuit below.
•
Charging Block Circuit
•
Front Attachment Operation Circuit
SYSTEM / Hydraulic System
Front Attachment Circuit
Pilot Shut-Off
Valve
Charging Block
Pilot
Filter
•
Pump Control Circuit
•
Brake Circuit
•
Ride Control Circuit (Optional)
Bucket Pilot
Lift Arm Pilot
Valve
Valve
Control Valve
Brake
Valve
Main Pump
Ride
Control
Solenoid
Valve
Ride Control Valve
Charging Block Circuit
Pilot Suction
Pump Filter
T2-3-13
Option Pilot
Valve
Service
Brake
Brake Circuit
Parking
Brake
Pump Control Circuit
Regulator
Ride Control Circuit
Spool
(Optional)
Hydraulic
Oil
Tank
T4GC-02-02-001