This comprehensive Workshop Service Repair Manual provides detailed instructions and specifications for the Komatsu 850 B Wheel Loader, covering models from serial number 202575 onwards. It is designed for experienced technicians familiar with service procedures for heavy machinery.

This manual covers a wide range of repair and maintenance topics, including:

* **Tune-ups:** Detailed instructions for maintaining optimal engine performance.
* **Maintenance:** Thorough procedures for regular servicing, ensuring longevity and reliability.
* **Removal and Installation:** Step-by-step guides for disassembling and reassembling various components.
* **Assemblies and Disassemblies:** Comprehensive instructions for complex procedures involving multiple parts and systems.
* **Fuel System:** Diagnostics and repair procedures for fuel delivery and management.
* **Ignition System:** Troubleshooting and repair information for the ignition system.
* **Lubrication System:** Detailed instructions for maintaining proper lubrication and oil changes.
* **Exhaust System:** Guidance for inspecting, maintaining, and repairing the exhaust system.
* **Electrical System:** Diagnosis and repair procedures for all electrical components and wiring.
* **Body:** Information on repairing and maintaining the loader's body and external components.
* **Engine and Transmission Disassembly:** Detailed instructions for major repairs involving engine and transmission components.

The manual emphasizes safety precautions and uses clear illustrations and diagrams to guide technicians through complex procedures. It also includes information on recommended special tools for specific tasks. This manual is an invaluable resource for anyone seeking to perform professional-level repairs on their Komatsu 850 B Wheel Loader.

The Komatsu 850B is a heavy-duty wheel loader renowned for its robust construction, powerful performance, and versatility in a wide range of applications. It is a member of Komatsu's lineup of large-capacity wheel loaders designed to handle demanding tasks in industries like mining, construction, and quarrying. The 850B is powered by a powerful diesel engine, providing ample torque for efficient material handling. Its robust frame, heavy-duty axles, and durable components ensure long-term reliability and resilience even in the toughest working conditions. The 850B stands out for its impressive load capacity, capable of moving vast quantities of material with ease. The loader's hydraulic system provides precise control over the lifting and dumping operations, ensuring efficient material handling and maximizing productivity. Its large tires, designed for optimal traction and stability, allow the 850B to maneuver easily across rough terrain.

The Komatsu 850B boasts an operator-centric design, prioritizing comfort, visibility, and ease of use for the operator. The spacious and well-appointed cab offers excellent visibility in all directions, enhancing operator awareness and safety. The controls are ergonomically designed for intuitive operation, minimizing operator fatigue and maximizing productivity. The 850B is equipped with a comprehensive suite of safety features, including a robust ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure), safeguarding the operator in the event of accidents. Furthermore, the loader is designed with maintenance and serviceability in mind, making routine checks and repairs readily accessible. This focus on ease of maintenance ensures optimal uptime and reduces downtime, ultimately contributing to improved operational efficiency.