Hitachi Zaxis 27U-2 30U-2 35U-2 Repair Manual [Excavator]


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Technical & Workshop Repair Manual Hitachi Zaxis 27U-2 30U-2 35U-2 Excavators.
Include Step by step repair procedures, illustrations, diagrams, exploded views, troubleshooting procedures, performance tests, removal and installation, assemble and disassemble procedures.
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Models Covered
Hitachi Zaxis 27U-2

Hitachi Zaxis 30U-2

Hitachi Zaxis 35U-2

In Content
Technical Manual: technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.

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.

Technical Manual Vol. No. T1MJE00
Workshop Manual Vol. No.W1MJE00
Electrical Circuit Diagram T1MJE00CIR.

Workshop Manual Chapters

Section 1 – General Information
Precautions For Disassembling
And Assembling
Bleeding Air
Floor-Tilting Device

Section 2 – Upperstructure
Group 1 Canopy
Pump Device
Control Valve
Swing Device
Pilot Valve
Solenoid Valve

Section 3 – Undercarriage
Group 1 Swing Bearing
Travel Device
Center Joint
Track Adjuster
Front Idler
Upper And Lower Roller

Section 4 – Front Attachment
Group 1 Front Attachment

Section 5 – Engine
Technical Manual Chapters

Section 1 – General
Group 1 Specification
Component Layout
Component Specifications

Section 2 – System
Group 1 Control System
Hydraulic System
Electrical System

Section 3 – Component Operation
Group 1 Pump Device
Swing Device
Control Valve
Pilot Valve
Travel Device
Others (Upperstructure)
Others (Undercarriage)

Section 4 – Operational Performance Test
Group 1 Introduction
Engine Test
Excavator Test
Component Test

Section 5 – Troubleshooting
Group 1 Diagnosing Procedure
Troubleshooting A
Troubleshooting B
Troubleshooting C
Electrical System Inspection
Electrical Wiring Diagrams

Hydraulic Circuit Diagram
Electrical Circuit Diagram
Floor Harness
Main Harness
Engine Harness
Air Conditioner Harness
Battery Harness
Boom Light Harness
Auto-Idle Pressure Sensor Harness
Immobilizer Harness
Travel Alarm Harness
Auxilliary Flow Selector Valve Switch