Komatsu WA800-3 & WA800-3E0 Maintenance Manual

Product Overview

This comprehensive maintenance manual for the Komatsu WA800-3 and WA800-3E0 provides detailed instructions and guidelines for servicing and troubleshooting these models. It’s an essential resource for ensuring optimal performance and longevity of your equipment.

Table of Contents

• 01 General ……………………………………………………………… 01-1
• 10 Structure and Function ……………………………….. 10-1
• 20 Testing and Adjusting …………………………………… 20-1
• 30 Disassembly and Assembly …………………………… 30-1
• 40 Maintenance Standard ………………………………….. 40-1
• 90 Others ………………………………………………………………… 90-1

Manual Extract

The failure code 56 indicates a disconnection or short circuit with the chassis ground in the caution buzzer relay system. Follow the instructions below for troubleshooting:

• If the error code disappears when disconnecting and reconnecting the T-adapter, the issue is resolved.
• Ensure all related connectors are firmly connected before troubleshooting.
• Keep the joystick steering lever in the neutral position when not in use.
• Reconnect any disconnected connectors before proceeding to the next step.

Visual Aid

Refer to the Komatsu WA800-3 & WA800-3E0 Image for visual support:

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Refer to the Related Electrical Circuit Diagram for detailed electrical schematics:

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