1. The Komatsu PC650-5 Excavator Operation & Maintenance Manual is a comprehensive guide designed for owners and operators of the PC650-5 model with serial numbers 20001 and above. This manual provides detailed instructions on the proper operation and maintenance of the excavator, ensuring optimal performance and longevity. It covers essential topics such as safety precautions, controls and instrumentation, routine maintenance procedures, troubleshooting, and more. With this manual, users can confidently operate and maintain their Komatsu PC650-5 Excavator, maximizing its efficiency and minimizing downtime.