The Atlas Copco QAS500 is a robust diesel generator engineered for reliable power generation. With a prime power output of 400 kW (500 kVA) and a standby output of 440 kW (550 kVA) at 60 Hz and 480V, this generator is designed to meet demanding power needs. Its water-cooled system and substantial 1370-liter fuel tank capacity ensure extended operation. The QAS500 is built with engineering quality and reliability in mind, making it suitable for a wide range of applications requiring consistent and powerful electrical output.

This instruction manual provides comprehensive guidance for the operation, maintenance, and troubleshooting of the Atlas Copco QAS500 generator. It covers essential procedures such as startup and shutdown, load acceptance, and detailed maintenance schedules, including recommended intervals for oil and filter changes. The manual also includes troubleshooting information for common issues, technical specifications, and wiring diagrams. By following the instructions and safety guidelines within this manual, owners and technicians can effectively maintain the generator, ensuring its optimal performance and longevity.