Hitachi Zaxis 40U-2 50U-2 Excavator Service Repair Manual Download

Complete factory service repair manual for the Hitachi Zaxis ZX 40U-2 50U-2 Excavator.

This manual consists of three portions: the Technical Manual and the Workshop Manual.

Information included in the Technical Manual:

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 Torque

Group 3 Painting

Group 4 Bleeding Air from Hydraulic Oil

Tank

Group 5 Floor-Tilting Device

SECTION 2 UPPERSTRUCTURE

Group 1 Canopy

Group 2 Counterweight

Group 3 Pump Device

Group 4 Control Valve

Group 5 Swing Device

Group 6 Pilot Valve

Group 7 Solenoid Valve

Group 8 Revolution Sensing Valve

Group 9 Auxiliary Flow Selector Valve(Optional)

SECTION 3 UNDERCARRIAGE

Group 1 Swing Bearing

Group 2 Travel Device

Group 3 Center Joint

Group 4 Track Adjuster

Group 5 Front Idler

Group 6 Upper and Lower Roller

Group 7 Track

SECTION 4 FRONT ATTACHMENT

Group 1 Front Attachment

Group 2 Cylinder

SECTION 5 ENGINE AND ACCESSORY

TECHNICAL MANUAL

SECTION 1 GENERAL

Group 1 Specification

Group 2 Component Layout

Group 3 Component Specifications

SECTION 2 SYSTEM

Group 1 Control System

Group 2 Hydraulic System

Group 3 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

Group 6 Adjustment

SECTION 5 TROUBLESHOOTING

Group 1 Diagnosing Procedure

Group 2 Troubleshooting A

Group 3 Troubleshooting B

Group 4 Troubleshooting C

Group 5 Electrical System Inspection

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Language: English

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