© 2018 Avco Corporation. All Rights Reserved
Introduction
October 2018
Page xvii
TEO-540-A1A Engine Installation and Operation Manual
INTRODUCTION
Engine Model Nomenclature
The table below shows the definition of each letter and number for the TEO-540 engine model
nomenclature. Numbers and letters in the suffix (A1A) of the engine model number are
configuration designations associated with the core engine.
Model Number
Meaning
T
Turbocharged
E
Electronic Engine Control System
O
Horizontally Opposed
540
Displacement in cubic inches
Scope of this Manual
This manual supplies an engine description and instructions for uncrating procedures, acceptance
check, engine lift procedure, engine preservation and storage, depreservation, engine installation
requirements, engine installation, operation and stop procedures, engine initiation (break-in/flight
test), fuels and oil to be used, and operating specifications for TEO-540-A1A Lycoming aircraft
engines.
NOTICE:
The installation instructions in this manual are basic guidelines. When installing the
engine in the airframe, follow the airframe manufacturer’s installation instructions.
For maintenance procedures, such as: oil changes, oil addition, oil filter replacement, routine time-
interval inspections, routine service, spark plug replacement/inspection procedures, cylinder
inspection, fuel system inspection, scheduled servicing procedures, airworthiness limitations, fault
isolation guidelines and procedures to replace components and to disassemble and assemble the
engine, refer to the
TEO-540-A1A Engine Maintenance Manual.
For spare parts information, refer to the
TEO-540-A1A Illustrated Parts Catalog
.
Refer to the latest revision of the
Service Table of Limits - SSP-1776
, for dimensions, clearances,
measurements, and torque values.
Service Bulletins, Service Instructions, and Service Letters
As advancements in technological applications on this engine continue, Lycoming Engines will
make future revisions to this manual. However, if more timely distribution is necessary, Lycoming
Engines supplies up-to-date Service Bulletins (SBs), Service Instructions (SIs) and Service Letters
(which are abbreviated with a capital “L” followed by the number, example L180). Special
Advisories (SAs) are supplied as necessary.
For additional publication information, look on Lycoming’s website (Lycoming.com) or speak to
Lycoming Engines by telephone: U.S. and Canada toll free: +1(800) 258-3279; or Direct: +1 (570)
323-6181.
Applicable information from Lycoming Engines' Service Bulletins, Service Instructions, and Service
Letters are included in this manual at the time of publication. Any new service information will be
included in the next update of the manual.
Reminder:
Unless otherwise specified, Lycoming Engines' service documents (which are dated
after this manual’s release date) that pertain to the engine model in this manual
supersede procedures in this manual.
For reference and future updates, the Service Document List at the front of this manual identifies the
service documents included in this manual.
