This Service Repair Workshop Manual covers the JCB 801 Mini Excavator Series, including models such as the 802.7plus, 802.7super, 803plus, 803super, 804plus, and 804super. These excavators are designed for a range of applications where compact size and powerful performance are essential. Engineered for reliability and efficiency, the JCB 801 series offers robust construction and advanced features suitable for professional use. This manual applies to a range of serial numbers, ensuring comprehensive coverage for various units within the series. The purpose of this manual is to provide detailed service and repair instructions for the JCB 801 Mini Excavator Series. It contains step-by-step procedures, high-quality diagrams, clear illustrations, and essential wiring schematics to guide users through maintenance and repair tasks. The manual includes troubleshooting guides, diagnostic procedures, and technical specifications, enabling owners with basic mechanical skills and independent service professionals to perform their own repairs, gain a deeper understanding of the machine, and save on service costs.