Komatsu WA500-6, WA500-6R, WA500-6, WA500-6RR Wheel Loader Service Manual

Table of Contents

• General
• Engine
• Power Train
• Steering System
• Brake and Air System
• Work Equipment System
• Electric and Electronic System
• Others

This troubleshooting chart is divided into three sections: questions, check items, and troubleshooting.
The questions and check items are used to pinpoint high probability causes that can be located from the failure symptoms or simple inspection without using troubleshooting tools.
Next, troubleshooting tools or direct inspection are used to check the high probability causes to make final confirmation.

Questions:
Sections A + B in the right corresponds to the items were answers can be obtained from the user or operator.

A is the basic content.
B is the items that can be obtained from the user or operator depending on their level.

Check items:
Simple items checked by the serviceman to determine the causes. C in the chart to the right corresponds to them.

Causes:
The contents to be determined after asking questions and checking items.
The serviceman determines causes of high probability from A, B, and C.

Troubleshooting:
The content for ultimately verifying whether the determined causes are truly the defective factors by using troubleshooting tools or making direct checking starting with probable causes of higher order.