Hitachi ZX400R-3 & ZX400LCH-3 Excavator Repair Manual PDF

Service Repair Manual (Troubleshooting) : Vol. No.TT1JK-E (626 Pages)
Operation Manual : Vol. No.TO1JK-E (360 Pages)
Parts catalog – 216 Pages
Circuit Diagram – 9 Pages
Hitachi ZX400R-3, ZX400LCH-3 Excavator Service Manual
The manual is applicable for the Hitachi ZW550, ZW550-GExcavator Model
Service Manual consists of the following:
For Model ZX400R-3, ZX400LCH-3 as mentioned above:
Service Manual (Troubleshooting) : Vol. No.TT1JK-E (626 Pages)

Table of Content of the Technical Manual

SECTION 1 GENERAL

Group 1 Specifications
Group 2 Component Layout
Group 3 Component Specifications

SECTION 2 SYSTEM

Group 1 Controller
Group 2 Control System
Group 3 ECM 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)

Table of Content of the Operational Manual

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 Monitor Unit
Group 3 Dr. ZX
Group 4 e-Shovel
Group 5 Component Layout
Group 6 Troubleshooting A
Group 7 Troubleshooting B
Group 8 Electrical System Inspection
Hitachi ZAXIS ZW550, ZW550-G service manual consists of the Troubleshooting and the Workshop Manual.

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

Information included in the Workshop Manual: Technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and assemble / disassemble procedures.

One side track does not rotate or rotates slowly. Machine mistracks.
Check that both side track sags are equally adjusted.

Faulty pump control will cause the machine to mistrack. In this case, other trouble symptoms such as slow bucket or swing single operation speed, or slow arm roll-in and boom raise speed in level crowd operation will occur at the same time. If both mistrack and other symptoms as described above occurs at the same time, refer to A-3 and A-4.

In one side track only does not rotate, the pilot valve, control valve, travel motor, or center joint may be faulty.