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Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 hydraulic excavator shop manual Preview image 1
Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 hydraulic excavator shop manual Preview image 2
Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 hydraulic excavator shop manual Preview image 3
Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 hydraulic excavator shop manual Preview image 4
Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 hydraulic excavator shop manual Preview image 5
Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 hydraulic excavator shop manual Preview image 6

Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 hydraulic excavator shop manual

Includes the following models

Komatsu PC300 Series:

  • Komatsu PC300-5
  • Komatsu PC300HD-5
  • Komatsu PC300LC-5
  • Komatsu PC300LC-5K

Komatsu PC400 Series:

  • Komatsu PC400HD-5
  • Komatsu PC400LC-5

Variants:

  • Standard excavator model
  • LC: Long carriage or longer undercarriage version, providing added stability.
  • HD: Heavy-duty, built for tougher terrains and conditions.
  • 5K: A variant of the model with specific tweaks and upgrades, possibly related to the engine, undercarriage, or other key components

Serial numbers:

  • PC300-5 with 6D125-1 Series Engine S/N 20001-UP
  • PC300HD-5 with 6D125-1 Series Engine S/N 21401-UP
  • PC300LC-5 Mighty with 6D125-1 Series Engine S/N A70501-UP
  • PC300LC-5K with 6D125-1 Series Engine S/N 21401-UP
  • PC300LC-5 with 6D125-1 Series Engine S/N K20001-UP
  • PC400HD-5 with 6D125-1 Series Engine S/N 20603-UP
  • PC400LC-5 with 6D125-1 Series Engine S/N 20603-UP
  • PC400LC-5 Migthy with 6D125-1 Series Engine S/N A70501-UP

File specifications

File size: 48.91 MB
File type: PDF
Language: English
Pages:748

Printable: Yes
Estimated download time: 1 Minutes
$24.99 Instant Download

Product Information

Table of Contents:

Introduction

  • About This Manual
  • Safety Information
  • How to Read and Use This Manual
  • Excavator Identification

General Information

  • Specifications
  • Overall Machine Specifications
  • Weight and Ground Pressure
  • Engine and Hydraulic Component Specifications

Structure and Function

  • Engine and Cooling System
  • Hydraulic System Overview
  • Electrical System Overview
  • Swing System
  • Travel System
  • Work Equipment (Arm, Boom, and Bucket)
  • Operator Cabin and Controls

Testing and Adjusting

  • Testing and Adjusting Tools
  • Engine Testing and Adjusting
  • Hydraulic System Testing and Adjusting
  • Electrical System Testing and Adjusting
  • Swing and Travel System Testing and Adjusting
  • Work Equipment Testing and Adjusting

Disassembly and Assembly

  • Precautions for Disassembly and Assembly
  • Engine Removal and Installation
  • Hydraulic Pump Removal and Installation
  • Swing Machinery Removal and Installation
  • Travel Motor and Final Drive Removal and Installation
  • Boom, Arm, and Bucket Removal and Installation
  • Cabin Removal and Installation

Maintenance Standard

  • General Maintenance Procedures
  • Engine Maintenance
  • Hydraulic System Maintenance
  • Electrical System Maintenance
  • Undercarriage Maintenance
  • Work Equipment Maintenance

Troubleshooting

  • Engine Troubleshooting
  • Hydraulic System Troubleshooting
  • Electrical System Troubleshooting
  • Swing and Travel Troubleshooting
  • Work Equipment Troubleshooting

Repair and Replacement of Components

  • Engine Components Repair
  • Hydraulic Pump and Motor Repair
  • Valve and Cylinder Repair
  • Electrical Components Replacement
  • Undercarriage Component Replacement

Appendices

  • Wiring Diagrams
  • Hydraulic Schematics
  • Service Tool List
  • Maintenance Data

Index

The Komatsu PC300-5, PC300HD-5, PC300LC-5, PC300LC-5K, PC400HD-5, PC400LC-5 excavator manual is a valuable resource for mechanics, technicians, and owners. It provides detailed specifications, maintenance guidelines, troubleshooting and repair procedures, hydraulic and electrical system diagrams, as well as safety instructions and operation guidelines, allowing users to effectively and safely maintain, troubleshoot, and repair the excavator.

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