This manual covers the Hitachi EX220-5 Excavator, designed for demanding operational environments. Engineered for reliability and performance, this excavator model incorporates robust construction and advanced systems to ensure efficient operation across various construction and earthmoving tasks. Its design prioritizes durability and productivity, making it a valuable asset for any project requiring heavy-duty excavation capabilities. This comprehensive service repair manual provides detailed information for the maintenance and repair of the Hitachi EX220-5 Excavator. It includes operational principles, troubleshooting guides, system diagnostics, component overviews, and detailed workshop procedures for the upperstructure, undercarriage, front attachment, and engine. With step-by-step instructions, circuit diagrams, and illustrations, this manual serves as an essential resource for both owners and professional technicians to ensure the optimal performance and longevity of the excavator.