This comprehensive Lycoming O-320, IO-320, LIO-320 Series Aircraft Engine Illustrated Parts Catalog Manual PC-103 is an invaluable resource for aircraft mechanics, technicians, and enthusiasts. It provides a detailed breakdown of the components within the Lycoming O-320 engine family, making it an essential tool for maintenance, repair, and troubleshooting. This user-friendly manual features bookmarks and a searchable index allowing for rapid navigation and information retrieval.

The manual is structured into ten sections, each covering a specific aspect of the engine's anatomy. Section 1 delves into the crankshaft, camshaft, and crankcase assembly. Section 2 focuses on accessory housings and drives, while Section 3 explores the cylinder, piston, and valve train components. Section 4 provides comprehensive information on the engine's ignition system, followed by a detailed examination of the electrical system in Section 5. The fuel induction system is the subject of Section 6, while Section 7 covers cooling baffles, exhaust, oil gauge, and propeller governor oil line components. Section 8 presents a service replacement set section, followed by an overview of vendor accessories in Section 9. The manual concludes with a numerical index in Section 10 for easily locating specific parts.

This manual is a must-have addition to any aircraft repair reference library.

The Lycoming O-320, IO-320, and LIO-320 series engines are a family of air-cooled, horizontally opposed, four-cylinder, direct-drive gasoline aircraft engines manufactured by Lycoming Engines, a subsidiary of AVIC International. These engines are commonly found powering a wide range of general aviation aircraft, including single-engine airplanes, ultralight aircraft, and even some light helicopters. The O-320 series, introduced in 1956, is the base model, featuring a naturally aspirated design. The IO-320 series, introduced in 1960, incorporates fuel injection for improved performance and fuel efficiency. Finally, the LIO-320 series, introduced in 1968, features a turbocharged design for increased power at higher altitudes.

These engines are known for their reliability, simplicity, and ease of maintenance. They are also relatively lightweight and compact, making them suitable for a variety of applications. Over the years, the O-320/IO-320/LIO-320 engine family has seen numerous variations, including different power outputs, fuel systems, propellers, and accessories. The PC-103 catalog manual is an invaluable resource for owners and mechanics working on these engines, providing detailed information on parts, specifications, maintenance procedures, and troubleshooting guides. This comprehensive manual ensures that users have access to essential information for the proper operation, repair, and maintenance of their Lycoming O-320, IO-320, and LIO-320 series engines.