Komatsu Dump Truck HM400-1: Comprehensive Guide

Product Overview

The Komatsu Dump Truck HM400-1 manual provides essential information
for operating, maintaining, and repairing your vehicle. This guide
is designed to enhance your understanding of the machine and ensure
optimal performance.

Table of Contents

• Index and Foreword
• Specification
• Structure, Function, and Maintenance Standard
• Standard Value Table
• Testing and Adjusting
• Troubleshooting
• Disassembly and Assembly
• Diagrams and Drawings

General Information

This section outlines the general dimensions, performance specifications,
and component weights of the machine. It includes charts for fuel,
coolant, and lubricant specifications.

Structure, Function, and Maintenance Standard

Gain clarity on the structure and function of each component of the
dump truck. This section is indispensable for those involved in
troubleshooting and repair operations.

Testing, Adjusting, and Troubleshooting

Details on pre- and post-repair checks as well as necessary adjustments
are covered here. Utilize the troubleshooting charts to link problems
to their causes efficiently.

Disassembly and Assembly Procedures

Learn the proper order and precautions for removing, installing,
disassembling, or assembling each component of the
Komatsu Dump Truck HM400-1. This ensures safe and
efficient operations.

Operating Modes

• Braking Mode: Engine speed is increased, enhancing
  the retarder effect by ensuring adequate cooling oil supply.
• Coasting Mode: The shift-down and shift-up points are
  brought closer to minimize unnecessary transmission shifts.
• Power Mode: Maximizes payload capability by adjusting
  shifting based on acceleration sensitivity, improving fuel efficiency
  and reducing noise and transmission shock under light loads.
• Economy Mode: Reduces engine speed during light-load
  operations to improve fuel consumption, reduce noise, and limit
  transmission shock, with maximum engine output restricted.

Explore the official Komatsu website for more resources.