Hitachi Zaxis 140W-3 Excavator Service Repair Manual Download

Complete factory service repair manual for the Hitachi Zaxis 140W-3 Excavator.

This manual consists of three portions: the Technical Manual (Operational Principle), the Technical Manual (Troubleshooting) and the Workshop Manual.

Information included in the Technical Manual(Operational Principle):

technical information needed for redeliver and delivery, operation and activation of all devices and systems.

Information included in the Technical Manual(Troubleshooting):

technical information needed for 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.

Service Repair Manual Covers:

WORKSHOP MANUAL

SECTION 1 GENERAL INFORMATION

Group 1 Precautions for disassembling and Assembling

Group 2 Tightening

Group 3 Painting

Group 4 Bleeding Air from Hydraulic Oil Tank

SECTION 2 UPPERSTRUCTURE

Group 1 Cab

Group 2 Counterweight

Group 3 Main Frame

Group 4 Pump Device

Group 5 Control Valve

Group 6 Swing Device

Group 7 Pilot Valve

Group 8 Electric Lever

Group 9 Signal Control Valve

Group 10 Shockless Valve

Group 11 Solenoid Valve

Group 12 Pilot Shut-Off Solenoid Valve

Group 13 Steering Valve

Group 14 Brake Valve

Group 15 Accumulator Charging Valve

SECTION 3 UNDERCARRIAGE

Group 1 Swing Bearing

Group 2 Travel Motor

Group 3 Center Joint

Group 4 Transmission

Group 5 Axle

Group 6 Axle Lock Cylinder

Group 7 Operate-Check Valve

Group 8 Solenoid Valve

Group 9 Transmission Changeover Solenoid Valve

Group 10 Propeller Shaft

SECTION 4 FRONT ATTACHMENT

Group 1 Front Attachment

Group 2 Cylinder

Group 3 Hose-Rupture Valve

Group 4 Operate-Check Valve

TECHNICAL MANUAL (Operational Principle)

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 Electric Lever

Group 6 Transmission

Group 7 Axle

Group 8 Travel Motor

Group 9 Signal Control Valve

Group 10 Steering Valve

Group 11 Brake Valve

Group 12 Others (Upperstructure)

Group 13 Others (Undercarriage)

TECHNICAL MANUAL (Troubleshooting)

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 ICF

Group 5 Component Layout

Group 6 Troubleshooting A

Group 7 Troubleshooting B

Group 8 Electrical System Inspection

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Language: English

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