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Hitachi EX120-5 excavator, repair e-manual

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Only original manuals
Available immediately after payment
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Publisher: © "PowerLine"
ISBN: 977-129-542-461-8
Number of pages: 843
Format: file PDF

About the manual

Engine type: Isuzu 4BG1

In the manual you will find

  • Step-by-step guide to repair various components and assemblies
  • Self-care and maintenance instructions
  • Excavator design and prevention information
  • Information for a trip to the service station, if self-repair is not possible
Publisher: PowerLine
Categories: Excavators , Hitachi
Only original manuals
Available immediately after payment
Full compliance with the paper edition
100% protection of your payments
Publisher: © "PowerLine"
ISBN: 977-129-542-461-8
Number of pages: 843
Format: file PDF

About the manual

Engine type: Isuzu 4BG1

In the manual you will find

  • Step-by-step guide to repair various components and assemblies
  • Self-care and maintenance instructions
  • Excavator design and prevention information
  • Information for a trip to the service station, if self-repair is not possible

Content

Safety

Introduction

General lnformation

  • Precautions for disassembling and assembling
  • Tightening torque

Upperstructure

  • Cab
  • Counterweight
  • Main frame
  • Pump device
  • Control valve
  • Swing device
  • Pilot valve
  • Pilot shut-off valve
  • Shockless valve
  • Solenoid valve
  • Pilot relief valve unit

Undercarriag

  • Swing bearing
  • Travel device
  • Center Joint
  • Track adjuster
  • Front idler
  • Upper and lower roller
  • Track

Front attachment

  • Front attachment
  • Cylinder

Engine and accessory

  • General Introduction
  • Maintenance
  • Engine assembly
  • Lubricating system
  • Cooling system
  • Fuel system
  • Turbocharger
  • Air compressor
  • Engine electricals
  • Troubleshooting
  • Special tool
  • Conversion table

Operational performance test

  • Introduction
  • Engine test
  • Excavator test
  • Component test
  • Standard

Troubleshooting

  • Diagnosing procedure
  • Component layout
  • Troubleshooting
  • Electrical system inspection
  • Harness check

Component specifications

System

  • Control system
  • Hydraulic system
  • Electrical system

Component operation

  • Pump device
  • Swing device
  • Control valve
  • Pilot valve
  • Travel device
  • Others

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Customers reviews

from David on 29/06/2025
According to the instructions, I was able to repair the pressure sensor and adjust the protection relay, thanks to which the excavator no longer switches off under load.
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