This workshop repair service manual provides comprehensive information for the JCB 802.7 Super Excavator, serial number applicability 747211 onwards. Engineered for reliability and optimal performance, this excavator is designed for demanding operational environments. This manual details components manufactured for this specific model, including proprietary part repairs, and covers all aspects necessary for its upkeep and efficient functioning. The purpose of this manual is to empower mechanical technicians with the knowledge to achieve the best value from their JCB 802.7 Super Excavator through informed and knowledgeable repairs. It covers a wide range of procedures, including routine maintenance, servicing, diagnostic and repair, tune-ups, component removal and installation, and detailed information on the fuel, ignition, lubrication, exhaust, electrical, engine, and transmission systems. Emphasis is placed on safety precautions, with warnings, cautions, and notes clearly denoted to ensure proper procedures are followed.