This Repair Service Manual provides comprehensive information for the KATO HD2310-3 LC Hydraulic Excavator. Engineered for reliability and performance, this model represents a significant advancement in its class, designed to meet the rigorous demands of various construction and excavation tasks. Its robust construction and advanced hydraulic systems ensure efficient operation and long-term durability, making it a valuable asset for any professional operation. The purpose of this manual is to equip mechanical technicians with the knowledge necessary to understand the functions and judge the performance of the KATO HD2310-3 LC, thereby enabling them to achieve optimal value from the equipment. It covers routine maintenance, diagnostic and repair procedures, overhaul instructions, and detailed information on all major systems, including the engine, transmission, fuel, lubrication, exhaust, and electrical systems. Safety precautions are emphasized throughout, and instructions for special tools are clearly referenced.