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Komatsu WA250PT-5H - User Manual

Komatsu WA250PT-5H
255 pages
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Komatsu has had the operating and maintenance instructions
translated into all the languages of the European Union.
Should you require a copy in another language please inquire
at your local dealer’s
.
Operation & Maintenance
Manual
Incorrect operation and maintenance of this machine
may be hazardous and cause injuries. The operator and
maintenance personnel must read this manual before
commencing operation or maintenance. Keep this
manual within reach at all times and ensure that
operating personnel read it at regular intervals.
SERIAL NUMBERS WA250H60051 AND UP
-5H
VEAM290100
WHEEL LOADER
© 2003 Komatsu Hanomag GmbH
All Rights Reserved
Printed in Europe
05.2003
NOTE
DANGER

Table of Contents

Questions and Answers

  • S
    Sarah SanchezSep 23, 2025
    Why Komatsu WA250PT-5H Front End Loaders engine oil pressure caution pilot lamp does not light up when engine is stopped?
    • R
      Ryan PriceSep 23, 2025
      If the engine oil pressure caution pilot lamp on your Komatsu Front End Loaders doesn't light up when the engine is stopped but the starting switch is in the ON position, the pilot lamp, the pilot lamp switch, or the monitor may be defective and need replacement.
  • J
    Julie YoungAug 23, 2025
    Why Komatsu WA250PT-5H starting motor does not turn on?
    • L
      Laurie WallAug 25, 2025
      If the starting motor of your Komatsu Front End Loaders doesn't turn when the starting switch is ON, check and repair any defective wiring. Also, ensure the battery has sufficient charge. If the problem persists, inspect and repair the starting motor itself.
  • E
    Elizabeth SmallAug 25, 2025
    What to do if Komatsu WA250PT-5H Front End Loaders engine is running but machine does not move?
    • B
      Bob HowardAug 26, 2025
      If your Komatsu Front End Loaders engine is running but the machine isn't moving, first ensure the parking brake is released and the directional lever is properly shifted. For electrical type levers, check the fuse and wiring harness connector for power flow. Finally, verify that the hydraulic tank has enough oil; if not, add oil to the specified level.
  • M
    Manuel OrtegaAug 27, 2025
    Why does Komatsu WA250PT-5H oil overheat?
    • E
      Erik MosesAug 27, 2025
      If the oil in your Komatsu Front End Loaders is overheating, ensure that the oil level is correct; add or drain oil to the specified level. Also, check the oil cooler core for clogs and clean it if necessary.
  • J
    James Santiago Jr.Aug 27, 2025
    Why is Komatsu WA250PT-5H starting motor turning engine sluggishly?
    • S
      Sonya TownsendAug 27, 2025
      If the starting motor turns the engine sluggishly on your Komatsu Front End Loaders, the battery charge may be insufficient, so charge it. Alternatively, the starting motor itself may be defective and require replacement.
  • T
    Tanya WatsonSep 16, 2025
    Why Komatsu Front End Loaders charge caution pilot lamp does not light up when engine is stopped?
    • J
      jenniferhicksSep 16, 2025
      If the charge caution pilot lamp on your Komatsu Front End Loaders does not light up when the engine is stopped but the starting switch is in the ON position, check and repair any defective wiring. The monitor may also be defective and need replacement.
  • J
    jstewartSep 13, 2025
    Why is abnormal noise generated from Komatsu WA250PT-5H alternator?
    • G
      Gregory HopkinsSep 13, 2025
      If your Komatsu Front End Loaders generates abnormal noise from the alternator, the alternator may be defective and needs replacement.
  • M
    Michelle BergerSep 14, 2025
    Why does Komatsu WA250PT-5H preheating pilot lamp not light up?
    • P
      Patricia PhillipsSep 15, 2025
      If the preheating pilot lamp on your Komatsu Front End Loaders does not light up, check and repair any defective wiring. The heater relay, preheating water temperature sensor, or the preheating pilot lamp itself may also be defective and need replacement.
  • Z
    zesparzaSep 5, 2025
    Why is there play in Komatsu WA250PT-5H steering wheel?
    • M
      Mary GatesSep 5, 2025
      If there is play in the steering wheel of your Komatsu Front End Loaders, the steering cylinder pin might be loose; grease the bearing, or replace the pin and bushing if there is play. A defective hydraulic system or a lack of oil may also cause play. Add oil to the specified level.
  • L
    Laurie KingSep 3, 2025
    Why do the brakes squeal on Komatsu WA250PT-5H?
    • R
      Ryan BuckSep 3, 2025
      If the brakes on your Komatsu Front End Loaders are squealing, the disc may be worn and needs replacement. Alternatively, there might be a large amount of water in the axle oil, or the axle oil may have deteriorated due to overuse of the brake, in which case you should change the axle oil.

Summary

Foreword

Safety Information

Details safety precautions and warnings for machine operation and maintenance.

Safety

Safety Labels

Identifies and explains the safety labels affixed to the machine.

General Precautions

General safety rules and personal protective equipment guidelines.

Precautions for Operation

Safe operating procedures, including starting, traveling, and stopping.

Precautions for Maintenance

Safety measures to follow during machine inspection and maintenance.

Operation

Starting Engine

Step-by-step procedure for safely starting the machine's engine.

Moving the Machine (Directional, Speed), Stopping the Machine

Instructions for controlling machine movement, direction, and safe stopping.

Maintenance

Fuel, Coolant and Lubricants

Proper selection and use of fluids and lubricants for the machine.

Maintenance Schedule Chart

Provides a detailed schedule for periodic maintenance tasks.

Komatsu WA250PT-5H Specifications

General IconGeneral
BrandKomatsu
ModelWA250PT-5H
CategoryFront End Loaders
LanguageEnglish

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