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Komatsu Utility D155AX-5 - User Manual

Komatsu Utility D155AX-5
302 pages
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D155AX
-5
SERIAL NUMBER
D155AX - 76243
and up
BULLDOZER
Unsafe use of this machine may cause serious injury or
death. Operators and maintenance personnel must read
this manual before operating or maintaining this
machine. This manual should be kept inside the cab for
reference and periodically reviewed by all personnel who
will come into contact with the machine.
Operation &
Maintenance Manual
EEAM023402
WARNING

Table of Contents

Questions and Answers

  • S
    Sean BennettAug 18, 2025
    What to do if starting motor does not turn on Komatsu Utility Industrial Equipment?
    • T
      tylermichaelAug 18, 2025
      If the starting motor does not turn when you turn the starting switch to ON, there could be several reasons: * **Defective Wiring**: Inspect and repair any faulty wiring. * **Insufficient Battery Charge**: Ensure the battery has sufficient charge by charging it. * **Safety Switch out of adjustment**: Adjust the safety switch.
  • F
    Fernando OlsonAug 20, 2025
    What to do if charge lamp does not go out on Komatsu Utility D155AX-5 Industrial Equipment?
    • T
      Thomas ConradAug 20, 2025
      If the charge lamp remains illuminated even when the engine is running, it could be due to: * **Defective Alternator**: The alternator may need replacement. * **Defective Wiring**: Inspect and repair any faulty wiring.
  • E
    Eric GregoryAug 23, 2025
    Why is air conditioner not working on Komatsu Utility D155AX-5?
    • S
      Samuel FarleyAug 23, 2025
      If the air conditioner isn't functioning correctly, possible causes include: * **Blown Fuse**: Check and replace any blown fuses. * **Insufficient Battery Charge**: Ensure the battery is adequately charged. * **Defective Air Conditioner Switch**: Replace the faulty air conditioner switch. * **Defective Blower Switch**: Replace the defective blower switch. * **Defective Compressor**: Replace the compressor.
  • W
    wrightjerryAug 26, 2025
    What to do if starting motor turns engine sluggishly on Komatsu Utility Industrial Equipment?
    • G
      George StephensAug 26, 2025
      If the starting motor turns the engine sluggishly, consider the following: * **Insufficient Battery Charge**: Charge the battery. * **Defective Starting Motor**: Replace the defective starting motor.
  • M
    Martin SharpAug 28, 2025
    Why is engine oil pressure caution lamp flashing on Komatsu Utility Industrial Equipment?
    • C
      Christopher HansenAug 28, 2025
      If the engine oil pressure caution lamp flashes when the engine speed is raised after warm-up, the reasons may be: * **Low Engine Oil Level**: Add oil to the specified level. * **Clogged Oil Filter Cartridge**: Replace the oil filter cartridge. * **Oil Leakage**: Check and repair any defective tightening of the oil pipe joint or damaged parts causing oil leakage. * **Defective Caution Lamp**: Replace the lamp.
  • A
    Antonio HernandezAug 30, 2025
    How to fix pre-heating pilot lamp that does not light up on Komatsu Utility D155AX-5 Industrial Equipment?
    • C
      Crystal BensonAug 30, 2025
      If the pre-heating pilot lamp does not illuminate when the engine coolant temperature is below -5°C (23°F), check these: * **Defective Wiring**: Inspect and repair any faulty wiring. * **Defective Heater Relay**: Replace the heater relay.
  • D
    Diana LevineSep 2, 2025
    What causes abnormal noise from alternator on Komatsu Utility D155AX-5 Industrial Equipment?
    • J
      James MarksSep 2, 2025
      An abnormal noise coming from the alternator is caused by: * **Defective Alternator**: Replace the alternator.
  • O
    oquinnSep 4, 2025
    What to do if automatic pre-heating is not working on Komatsu Utility D155AX-5?
    • J
      Jason NixonSep 4, 2025
      If automatic pre-heating is not working, check for: * **Defective Wiring**: Inspect and repair any faulty wiring. * **Defective Heater Relay**: Replace the heater relay. * **Defective Engine Controller**: Check and replace the engine controller.
  • A
    Andrew HenrySep 7, 2025
    Why is outside of electrical heater not warm on Komatsu Utility D155AX-5?
    • L
      Lauren WalkerSep 7, 2025
      If the outside of the electrical heater is not warm when touched, consider these possibilities: * **Defective Wiring**: Check and repair any faulty wiring. * **Disconnection in Electrical Intake Air Heater**: Replace the heater. * **Defective Operation of Heater Relay**: Check and repair the heater relay.
  • J
    Joel WilliamsonSep 9, 2025
    What to do if charge lamp does not light up when engine is stopped on Komatsu Utility Industrial Equipment?
    • D
      Dennis CarterSep 9, 2025
      If the charge lamp doesn't light up when the engine is stopped (starting switch in ON position), it might be due to: * **Defective Charge Lamp**: Replace the charge lamp. * **Defective Wiring**: Inspect and repair any faulty wiring.

Summary

Foreword

Location to Keep Operation & Maintenance Manual

Details on where to store the Operation & Maintenance Manual for easy access and reference.

Safety Information

Signal Words

Explanation of signal words like DANGER, WARNING, and CAUTION used to indicate hazard levels.

Safety Labels

Information on safety labels affixed to the machine, including those using words and pictograms.

Introduction

Front, Rear, Left, Right Directions of Machine

Defines the terms front, rear, left, and right relative to the operator's seat and machine orientation.

Breaking in the Machine

Instructions and precautions for the initial break-in period of the machine for optimal performance.

Necessary Information

Product Identification Number (PIN), Machine Serial No. Plate

Location and identification of the machine's serial number and product identification number plates.

Engine Serial No. Plate and Position (2)

Details the location of the engine serial number plate on the left side of the machine.

Ripper Serial No. Plate Position

Indicates the location of the serial number plate for the ripper attachment.

Table to Enter Serial No. and Distributor

A table for recording the machine's serial number, engine serial number, and distributor information.

Safety

General Precautions

General safety rules and precautions to follow when operating or maintaining the machine.

Precautions for Operation

Specific safety measures to be taken during machine operation to prevent accidents.

Precautions for Maintenance

Safety guidelines and procedures to follow when performing maintenance tasks.

Operation

General View

Provides an overview of the machine's main components and their general layout.

Explanation of Components

Detailed explanation of the various components, controls, and displays on the machine.

Switches

Explanation of the function and operation of various switches on the machine's control panel.

Control Levers, Pedals

Description of the main control levers and pedals used for operating the machine.

Maintenance

Guides to Maintenance

General guidelines and precautions to follow before performing any inspection or maintenance.

Wear Parts List

A list of wear parts that require periodic replacement, including their part numbers and intervals.

Recommended Fuel, Coolant, and Lubricant

Specifications for recommended fuels, coolants, and lubricants based on ambient temperature.

Maintenance Schedule Chart

A schedule outlining the maintenance tasks required at different service intervals (hours/years).

Service Procedure

Detailed step-by-step procedures for performing various maintenance tasks.

Transportation

Loading, Unloading Work

Safe procedures for loading and unloading the machine onto a trailer or platform.

Method of Lifting Machine

Instructions and safety precautions for lifting the machine using a crane or other equipment.

Precautions for Transportation

General safety precautions to consider when transporting the machine by road or other means.

Battery

Battery Hazard Prevention

Safety precautions and warnings related to handling and charging the machine's battery.

Starting with Booster Cable

Step-by-step procedure and safety precautions for starting the engine using booster cables.

Towing

When Towing

Safety rules and methods for towing a disabled machine correctly.

Troubleshooting

After Running Out of Fuel

Procedure for starting the engine after the fuel tank has run empty, including bleeding air.

If Battery is Discharged

Troubleshooting steps and precautions when the machine's battery is discharged.

Other Trouble

Identifies common problems and their potential causes and remedies for the electrical system.

Specifications

Specifications

Technical data and specifications for the D155AX-5 bulldozer, including weight and dimensions.

Attachments, Options

General Precautions

General safety precautions when installing or using attachments and options.

Introduction of Attachments and Options

Overview of available attachments and options, including track shoes and ripper points.

Procedure for Selecting Ripper Point

Procedure for Selecting Ripper Point

A guide to selecting the appropriate ripper point based on rock hardness and wear characteristics.

Colophon

Komatsu Utility D155AX-5 Specifications

General IconGeneral
BrandKomatsu Utility
ModelD155AX-5
CategoryIndustrial Equipment
LanguageEnglish

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