This manual covers the HITACHI 250LCK-3 HYDRAULIC EXCAVATOR. It is designed to provide comprehensive information for owners, technicians, and mechanics. The HITACHI 250LCK-3 is engineered for demanding work environments, emphasizing robust construction and reliable performance. Its advanced hydraulic system and durable chassis make it a capable machine for a wide range of construction and excavation tasks, ensuring efficiency and longevity in operation. The purpose of this workshop service repair manual is to offer detailed guidance on the maintenance, repair, and technical aspects of the HITACHI 250LCK-3. It includes essential information such as diagnostic procedures, component specifications, and step-by-step repair instructions. By utilizing this manual, users can effectively perform routine maintenance, troubleshoot issues, and ensure the optimal functioning and safety of their excavator, thereby extending its service life and minimizing downtime.