Hitachi ZX40U, ZX50U Excavator Technical Repair Manual
Model: Excavator ZX40U, ZX50U
Format: PDF
Language: English
- Hitachi ZX40U, ZX50U Mini Excavator Technical Manual
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
This manual is written for an experienced technician to provide technical information needed to maintain and
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.
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