ZX240-5G • 240LC-5G • 250H-5G • 250LCH-5G HYDRAULIC EXCAVATOR TECHNICAL MANUAL OPERATIONAL PRINCIPLE
HITACHI ZAXIS ZX
240-5G
240LC-5G
250H-5G
250LCH-5G
Hydraulic Excavator
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TODCE-EN
Technical Manual (Troubleshooting) : Vol. No.TTDCE-EN
Workshop Manual : Vol. No.WDCE-EN
Engine Manual : Vol. No.EDCD-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 Hydraulic System
Group 4 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)
