Hitachi ZAXIS 850-3 850LC-3 870H-3 870LCH-3 Hydraulic Excavator Service Repair Manual Download

Complete factory service repair manual for the Hitachi ZAXIS ZX850-3 ZX850LC-3 ZX870H-3 ZX870LCH-3 Hydraulic 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 Torque

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 Pilot Shut-Off Solenoid Valve

Group 9 Solenoid Valve

Group 10 Signal Control Valve

Group 11 Shockless Valve

Group 12 Fan Motor

Group 13 Fan Valve

Group 14 Engine

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

TECHNICAL MANUAL (Operational Principle)

SECTION 1 GENERAL

Group 1 Specification

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)

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

Group 6 Adjustment

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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