Avco Lycoming O-320 Series - User Manual

Crucial safety information for operating and maintaining aircraft engines, emphasizing proper procedures and warnings.

Details manufacturer's warranty for new and remanufactured aircraft engines, including repair or replacement.

Explains proration of warranty claims based on engine operating hours or time between overhaul (TBO).

Description of key engine parts: cylinders, crankshaft, oil sump, cooling, induction, and lubrication systems.

Overview of O, IO, AIO, LIO-320 engine series and explanation of rotation conventions.

Table listing various engine models with their application details and physical dimensions.

Note on how engine specifications are organized and presented by model designation.

Detailed technical specifications for IO-320-A, B, C, D and AIO/LIO-320 engine series.

Lists the dry weights for various O-320, IO-320, and AIO-320 engine models.

Guidance on achieving long engine life and satisfactory operation, including warranty adherence.

Step-by-step instructions for starting carbureted and fuel-injected aircraft engines.

Procedures for operating the engine during flight, covering mixture control and leaning techniques.

Detailed guidance on leaning fuel mixture for carbureted and fuel-injected engines under various conditions.

Importance of regular inspections for safety and durability, with general guidelines.

Procedure for the daily pre-flight check to determine the general condition of the aircraft and engine.

Detailed checks for ignition, fuel/induction, lubrication systems, and engine mounts.

Procedures for 400-hour, non-scheduled inspections, and service bulletins.

Tasks for fuel system components: lines, filters, carburetors, and mixture control.

Procedures for ignition harness replacement and magneto timing.

Procedures for engine oil system servicing, including oil grades and screen cleaning.

Steps for valve removal, piston installation, and cylinder base nut tightening.

Diagnosing issues with engine starting and idle operation, covering fuel and ignition.

Addressing low power, uneven running, and problems with ignition, fuel, or induction systems.

Resolving high oil temperature and excessive oil consumption issues.

Procedures for preparing an engine for installation, including preservative oil draining and flushing.

Guidelines for preserving engines for storage or shipment, including run-in and protection.

Collection of tables including limits, flight test data, and conversions.

A table for converting temperatures between Celsius and Fahrenheit.