This manual pertains to the O-360 and O-540 series aircraft engines. These engines are known for their horizontally opposed, air-cooled configurations, with the O-360 featuring four cylinders and a displacement of 360 cubic inches, while the O-540 is a six-cylinder engine with a displacement of 540 cubic inches. They are engineered for reliable performance in aviation applications.

This comprehensive Overhaul Manual, written in English, provides essential information for the overhaul and maintenance of O-360 and O-540 engines. It covers detailed step-by-step overhaul procedures, parts identification, critical torque specifications, clearances and tolerances, troubleshooting guidance, and lists specialized tools required. The manual also references relevant service bulletins and airworthiness directives to ensure proper maintenance and longevity of these aircraft engines.