This comprehensive manual provides in-depth information for maintaining, assembling, disassembling, and servicing your Komatsu WA470-5H and WA480-5H wheel loaders. It covers all aspects of operation, maintenance, and repair procedures, ensuring optimal performance, efficiency, and safety. The manual is divided into two sections: Service Repair Manual and Operation & Maintenance Manual. The Service Repair Manual provides detailed specifications, diagrams, and real-life photo illustrations, guiding you through every step of repair, servicing, technical maintenance, and troubleshooting procedures. This section also includes troubleshooting for various systems, such as engine control, transmission control, work equipment control, monitor system, hydraulic and mechanical systems, and electrical systems. It covers disassembly and assembly procedures for thorough understanding and repair. The Operation & Maintenance Manual focuses on practical aspects like operation, handling, lubrication, maintenance, checking, and adjustment. This section equips both operators and maintenance personnel with the knowledge to achieve peak performance by optimizing machine operation and maintenance for efficiency and safety. The manual includes a comprehensive index and detailed information about attachments and options available for the wheel loaders.

The Komatsu WA470-5H and WA480-5H wheel loaders are powerful and versatile machines designed for heavy-duty material handling applications. These loaders are renowned for their robust construction, reliable performance, and operator comfort. The WA470-5H boasts an operating weight of 37,800 kg (83,300 lbs) and a bucket capacity of 4.0 m³ (5.2 yd³), making it suitable for large-scale projects like mining, quarrying, and construction. The WA480-5H, on the other hand, features a higher operating weight of 40,300 kg (88,800 lbs) and a larger bucket capacity of 4.5 m³ (5.9 yd³), further increasing its material handling capabilities. Both models are powered by Komatsu's renowned SAA6D140E-5 engine, providing exceptional power and fuel efficiency. The WA470-5H and WA480-5H are equipped with advanced features designed to enhance operator productivity and safety. These features include a spacious and ergonomic cab with excellent visibility, a responsive hydraulic system for precise control, and a user-friendly control layout. The loaders also incorporate Komatsu's proprietary "K-DAMPS" system, which utilizes hydraulic dampers to absorb vibrations and shocks, ensuring a smoother ride and improved operator comfort. Additionally, the machines feature robust safety systems, such as an emergency brake, a load limit indicator, and a rearview camera, to minimize potential hazards and ensure safe operation. These features, combined with their powerful engine and large bucket capacities, make the WA470-5H and WA480-5H ideal choices for demanding material handling tasks in various industries.