ZX470-6 • 470LC-6 • 490H-6 • 490LCH-6 • 490R-6 • 490LCR-6 • 530LCH-6 HYDRAULIC EXCAVATOR TECHNICAL MANUAL OPERATIONAL PRINCIPLE
HITACHI ZAXIS ZX
470-6
470LC-6
490H-6
490LCH-6
490R-6
490LCR-6
530LCH-6
Hydraulic Excavator
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOJAG50-EN
Technical Manual (Troubleshooting) : Vol. No.TTJAG50-EN
Workshop Manual : Vol. No.WJAG50-EN
Engine Manual : Vol. No.ETJAG50-EN, EWJAG50-EN
SECTION AND GROUP CONTENTS
SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Controller
Group 2 Control System
Group 3 Engine System
Group 4 Hydraulic System
Group 5 Electrical System
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Group 2 Swing Device
Group 3 Control Valve
Group 4 Pilot Valve
Group 5 Travel Device
Group 6 Signal Control Valve
Group 7 Others (Upperstructure)
Group 8 Others (Undercarriage)
