This comprehensive manual provides in-depth information for maintaining, assembling, disassembling, and servicing your Komatsu WA320-3 and WA320-3 Custom Wheel Loader. Designed to help you achieve peak performance through effective, economical, and safe operation and maintenance, this manual is divided into two separate sections: the Service Repair Manual and the Operation & Maintenance Manual.

The *Service Repair Manual* is packed with detailed information, specifications, diagrams, and real-life photographs, offering step-by-step guidance for repair, servicing, technical maintenance, and troubleshooting procedures. This manual provides complete information needed for repair, enabling you to identify issues and understand how to maintain your loader without relying solely on external service.

The *Operation & Maintenance Manual* focuses on the practical aspects of operating and maintaining your loader. It outlines procedures for operation, handling, lubrication, maintenance, checking, and adjustment, ensuring efficient and safe operation. This manual helps both operators and maintenance personnel understand the best practices for achieving maximum performance from their machines.

**Service Repair Manual Contents:**

* **General:** Provides an overview of the loader's information.
* **Structure and Function:** Explains the components and their functionalities.
* **Testing and Adjusting:** Outlines procedures for testing and adjusting various systems.
* **Disassembly and Assembly:** Offers detailed instructions for disassembling and assembling specific components.
* **Maintenance Standard:** Details the required standards for proper maintenance.
* **Others:** Includes additional relevant information.

**Operation & Maintenance Manual Contents:**

* **Foreword:** A brief introduction to the manual.
* **Safety Information:** Emphasizes the importance of safety during operation and maintenance.
* **Introduction:** Provides an overview of the loader and its components.
* **Location of Plates, Table to Enter Serial No. and Distributor:** Identifies important information about the loader based on its serial number.
* **Safety:** Details general precautions, operation precautions, and maintenance precautions.
* **General View:** Presents a comprehensive visual representation of the loader.
* **Explanation of Components:** Describes the functions of each component.
* **Operation:** Covers detailed operating procedures.
* **Transportation:** Provides guidance for transporting the loader.
* **Cold Weather Operation:** Outlines special considerations for operating in cold environments.
* **Long-Term Storage:** Offers advice on proper long-term storage procedures.
* **Troubleshooting:** Includes a guide for identifying and resolving common problems.
* **Guides to Maintenance:** Offers key information on maintenance practices.
* **Outlines of Service:** Summarizes essential service procedures.
* **Wear Parts List:** Identifies commonly worn parts.
* **Use of Fuel, Coolant and Lubricants According to Ambient Temperature:** Provides guidance on selecting the right fuel, coolant, and lubricants for various temperatures.
* **Standard Tightening Torques for Bolts and Nuts:** Specifies the correct tightening torques for different bolts and nuts.
* **Periodic Replacement of Safety Critical Parts:** Outlines the recommended replacement schedule for safety-critical parts.
* **Maintenance Schedule Chart:** Presents a detailed maintenance schedule chart.
* **Service Procedure:** Offers step-by-step instructions for various service procedures.
* **Specifications:** Provides technical specifications of the loader.
* **Optional Parts and Attachments:** Lists available optional parts and attachments.
* **Selecting Buckets and Tires:** Provides guidance on choosing the right buckets and tires for specific applications.
* **Car Radio:** Includes information on the car radio system.
* **Air Conditioner:** Covers the air conditioning system.
* **Handling E.C.S.S. (Electronic Controlled Suspension System):** Provides instructions on managing the electronic controlled suspension system.
* **Handling Auto-Greasing System:** Offers guidance on using the auto-greasing system.
* **Option Display:** Explains the optional display features.
* **Handling Auto-Leveling, Remote Positioner:** Details the operation of the auto-leveling and remote positioner systems.

This manual is your complete guide to understanding, operating, and maintaining your Komatsu WA320-3 and WA320-3 Custom Wheel Loader. It provides the necessary knowledge and instructions to ensure the safe, efficient, and productive operation of your machine for years to come.

The Komatsu WA320-3 & WA320-3 Custom wheel loaders are robust and versatile machines designed for heavy-duty material handling applications. Renowned for their reliability and performance, these loaders are widely used in construction, mining, quarrying, and other industries. The WA320-3 series boasts a powerful engine, a durable hydraulic system, and a well-designed operator cab that ensures both comfort and efficiency. The "Custom" variant further enhances these features with additional customization options tailored to specific customer needs and operating environments. This could include specialized attachments, upgraded hydraulic components, or modifications to the loader's structural design. These customizations aim to improve productivity, reduce operating costs, and optimize the loader's performance for the specific tasks it will be undertaking.

The WA320-3 and WA320-3 Custom wheel loaders are equipped with a range of features designed for enhanced operator comfort and control. The spacious and well-insulated operator cab offers excellent visibility, reducing operator fatigue and improving overall safety. Operator controls are ergonomically designed for ease of use and precise machine operation. The advanced hydraulic system provides smooth and responsive control of the loader's functions, contributing to increased productivity and efficiency. The engine's performance is optimized for power and fuel efficiency, ensuring that the loader can handle demanding tasks while minimizing operating costs. Komatsu's dedication to quality and reliability ensures that these loaders are built to withstand the rigors of demanding work environments.