Description

Hitachi ZX400R-3, ZX400LCH-3 Excavator Service Manual

The manual is applicable for the Hitachi ZW550, ZW550-GExcavator Model

Format: PDF
Language: English
Service Manual consists of the following:

For Model ZX400R-3, ZX400LCH-3 as mentioned above:

Service Manual (Troubleshooting) : Vol. No.TT1JK-E (626 Pages)
Operation Manual : Vol. No.TO1JK-E (360 Pages)
Parts catalog – 216 Pages
Circuit Diagram – 9 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.