This original illustrated factory workshop service manual provides everything you need to operate, maintain, and repair your Komatsu WA320-7 USA wheel loader. It\'s packed with high-quality images, detailed circuit diagrams, and clear step-by-step instructions to guide you through every task.

**Here\'s what you\'ll find inside:**

* **Comprehensive Testing and Troubleshooting:** Learn how to use the machine\'s self-diagnosis system, interpret error codes, and diagnose problems using detailed troubleshooting charts and tables. Specific procedures cover testing the temperature control system, air flow changeover, sensors, relays, and more.
* **Clear Diagrams and Layouts:** Visualize the air conditioner system\'s inner workings with detailed hydraulic and electrical circuit diagrams. These diagrams include clear explanations of symbols and component layouts.
* **Safety First:** The manual emphasizes safety during repairs, providing specific precautions for disconnecting/connecting hoses and tubes, as well as handling compressor oil.

**Specific Troubleshooting Examples:**

* **Failure Codes:** The manual includes a complete list of failure codes related to the air conditioning system, along with explanations of their meaning.
* **Troubleshooting Charts:** Charts help you identify potential causes for common problems, such as:
* Air conditioner not operating
* Air not cooling
* No air flow or abnormal air flow
* FRESH/RECIRC air changeover issues

**This manual is your essential guide for:**

* Understanding the air conditioning system\'s operation and maintenance.
* Troubleshooting and diagnosing air conditioning problems.
* Successfully performing repairs and adjustments.

**Order your copy today and ensure your Komatsu WA320-7 USA stays cool and comfortable!**