This document provides comprehensive shop-level service and repair information for the PC650-1 excavator. It covers detailed procedures for inspection, maintenance, troubleshooting, disassembly, and reassembly of major systems and components. Designed for technicians and workshop professionals, it includes technical specifications, diagrams, service standards, and step-by-step repair processes to support accurate and efficient equipment servicing. Ideal for maintaining operational performance, reducing downtime, and ensuring proper repair practices in workshop environments.