Hitachi ZX40U, ZX50U Excavator Technical Repair Manual

Model: Excavator ZX40U, ZX50U
SI Units (International System of Units) are used in those manual.

Hitachi ZX40U, ZX50U Technical Manual Table of Content

SECTION 1 GENERAL

Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications

SECTION 2 SYSTEM

Group 1 Hydraulic System
Group 2 Electrical System

SECTION 3 COMPONENT OPERATION

Group 1 Pump Device
Group 2 Revolution Sensing Valve
Group 3 Swing Device
Group 4 Control Valve
Group 5 Pilot Valve
Group 6 Travel Device
Group 7 Others (Upperstructure)
Group 8 Others (Undercarriage)

SECTION 4 OPERATIONAL PERFORMANCE TEST

Group 1 Introduction
Group 2 Standard
Group 3 Engine Test
Group 4 Excavator Test
Group 5 Component Test

SECTION 5 TROUBLESHOOTING

Group 1 Diagnosing Procedure
Group 2 Troubleshooting A
Group 3 Troubleshooting B
Group 4 Electrical System Inspection
repair this machine. The machine specification and description according to destination may be explained on this manual.
Be sure to thoroughly read this manual for correct product information and service procedures.

Information included in the Technical Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.