This comprehensive service manual covers the Hitachi EX200-5, EX200LC-5, EX220-5, and EX220LC-5 Excavator models, equipped with ISUZU A-6BG1TQA, A-6BG1 TQA01, or HINO H07D engines. These excavators are engineered for robust performance in demanding construction and operational environments. This manual provides detailed information to ensure the continued reliability and efficiency of your Hitachi equipment, reflecting the quality and durability expected from these industrial machines. The purpose of this manual is to serve as the definitive resource for all maintenance, repair, and diagnostic procedures for the specified Hitachi excavator models. It encompasses a wide range of topics, including general information, system overviews, component operation, performance testing, troubleshooting, and detailed circuit diagrams for both hydraulic and electrical systems. This manual is designed for both do-it-yourself enthusiasts and professional technicians, offering step-by-step instructions and illustrations to facilitate effective vehicle upkeep and repair.