This manual covers the KOBELCO SK 60, 100, 120, 200, and 220 LC Excavator Mark III series. These excavators are engineered for demanding construction and industrial applications, offering robust performance and reliability. Their design prioritizes efficient operation and durability, making them a valuable asset for various heavy-duty tasks. This service manual provides comprehensive information to ensure these machines operate at their peak potential throughout their service life. The purpose of this manual is to serve as a complete resource for the maintenance, repair, and troubleshooting of your KOBELCO excavator. It contains detailed procedures, technical specifications, and diagnostic information essential for both routine servicing and complex repairs. By following the step-by-step instructions and utilizing the included diagrams, owners and technicians can effectively maintain the operational integrity and longevity of their equipment, ensuring safe and efficient operation.