Lycoming IO-320-E2A User Manual

NOTE
In order to accommodate clearer type, larger charts and graphs, and more
detailed illustrations, this edition of the IO-320 Series Operator’s Manual,
Lycoming Part Number 60297-31 is presented in an 8-1/2 x 11 inch
format. This edition is a complete manual, current as of the date of issue.
The manual incorporates all previously issued revisions.
This manual will be kept current by revisions available from Lycoming
distributors or from the factory. All revisions will be accompanied by an
Operator’s Manual Revision page which will identify the revision level, the
date of the revision, and the pages revised, added or deleted. All revisions
will be supplied in the 8-1/2 x 11 inch format.

Lycoming IO-320-E2A Specifications

General

Brand	Lycoming
Model	IO-320-E2A
Category	Engine
Language	English

Summary

ATTENTION

SAFETY WARNING

Alerts users to potential hazards from improper operation or exceeding limits.

IMPORTANT SAFETY NOTICE

Importance of Proper Service

Stresses that correct service is vital for safe and reliable engine operation.

Scope of Warnings and Cautions

Clarifies that all safety aspects may not be covered; user responsibility is key.

WARRANTY

New and Rebuilt Engines

Defines the warranty terms applicable to new and rebuilt Lycoming engines.

SECTION 2 SPECIFICATIONS

Specifications for IO-320 Series Models A, E

Lists key specifications for IO-320-A, -E series engine models.

Specifications for IO-320 Series Models B, C, D; AIO; LIO

Lists key specifications for IO-320-B, C, D, AIO, LIO engine models.

Specifications for IO-320-C1A, -C1B

Lists key specifications for IO-320-C1A and -C1B models.

Specifications for IO-320-B1E, -D1C

Lists key specifications for IO-320-B1E and -D1C models.

SECTION 3 OPERATING INSTRUCTIONS

Prestarting Maintenance Checks

Lists essential checks before starting the engine.

Engine Starting Procedures

Details recommended steps for starting the engine.

Ground Running and Warm-Up

Explains safe procedures for running the engine on the ground.

Ground Check Procedures

Outlines checks to be performed before takeoff.

Operation in Flight

Covers procedures and considerations during flight.

Fuel Mixture Leaning Procedures

Explains methods for adjusting fuel mixture for optimal performance.

Leaning to Exhaust Gas Temperature

Describes leaning the mixture using EGT as a reference.

Leaning to Flowmeter

Describes leaning the mixture using a fuel flow indicator.

Leaning with Manual Mixture Control

Details leaning using only the manual mixture control.

Operating Conditions and Limits

Specifies recommended operating parameters and limits.

Engine Shut-Down Procedures

Details the correct steps for shutting down the engine.

SECTION 4 PERIODIC INSPECTIONS

Pre-Starting Inspection Details

Describes the daily pre-flight inspection for aircraft and engine condition.

Daily Pre-Flight Inspection

Lists specific checks for the daily pre-flight inspection.

25-Hour Inspection Requirements

50-Hour Inspection Procedures

100-Hour Inspection Procedures

400-Hour Inspection Procedures

SECTION 5 MAINTENANCE PROCEDURES

Ignition and Electrical System Maintenance

Magneto Timing Procedures

Fuel System Maintenance

Idle Speed and Mixture Adjustment

Lubrication System Maintenance

Cylinder Maintenance Procedures

SECTION 6 TROUBLE-SHOOTING

Engine Failure to Start

Lists common causes and remedies for an engine that won't start.

Engine Idling Problems

Addresses issues related to improper engine idling.

Low Power and Uneven Running

Provides solutions for engines running rough or producing low power.

Failure to Develop Full Power

Lists causes and remedies for an engine not reaching full power.

Rough Engine Operation

Identifies potential causes for engine roughness.

Low Oil Pressure Issues

Covers troubleshooting steps for low oil pressure.

High Oil Temperature Problems

Addresses causes and solutions for high oil temperature.

Excessive Oil Consumption

Lists reasons for high oil consumption and how to resolve them.

SECTION 7 INSTALLATION AND STORAGE

Engine Installation Preparation

Steps for preparing an engine before installation into an aircraft.

Engine Storage and Shipment Preparation

SECTION 8 TABLES

Table of Operational Limits

Provides tables listing critical operational limits for the engine.

Ground Run Procedure Table

Flight Test Procedure Table

Full Throttle HP at Altitude Data

Provides data on horsepower output at various altitudes.

Table of Speed Equivalents