Engine On Fire Or Near A Fire - Lycoming IO-390-D Series Maintenance Manual

(5) Replace parts per the latest revision of Service Bulletin No. SB-240 which identifies parts
that must be replaced during engine assembly.
(6) Make sure all oil passages, bored holes, oil and fuel hoses are clean and unobstructed and
have no debris.
(7) Once the engine is cleaned and reassembled, make sure it is in conformance with all
required fits and clearances (per the latest revision of the Service Table of Limits - SSP-
1776).
(8) Assemble the engine per Chapter 72-10.
(9) Refer to the Airframe Maintenance Manual and make sure all airframe interface fuel and
oil lines, intake, and exhaust, and the oil cooler are clean and have no debris or silt to
prevent re-contamination of the engine after the engine is installed in the airframe and re-
connected to airframe interface components.
(10) Install the engine in the airframe per instructions in the IO-390-D Series Engine
Installation and Operation Manual.
(11) Record and complete the "Oil Change Procedure" per Chapter 12-10.
(12) Complete an Operational Ground Check per Chapter 72-00 to make sure the engine is
operating correctly before returning the engine to service.
(13) If visible damage is evident or if engine fails magneto drop off check in accordance with
the IO-390-D Series Engine Installation and Operation Manual replace the EIS with a
new unit.
E. Engine on Fire or Near a Fire
Replace any components exposed to a fire or heat from a fire.
It is recommended an engine exposed to a fire or the heat from a fire be sent to Lycoming
Engines for evaluation. Include a description that the engine was in or near a fire or external
heat.
OR
Complete the following in the field in accordance with this manual:
(1) Remove, disassemble, and clean the engine (per Chapters 72-00, 72-05, and 05-30)
(2) Complete an inspection of engine components per chapters in this manual.
NOTICE: Refer to the latest revision of Service Bulletin No. SB-240 which identifies
certain parts that must be replaced on engine reassembly.
(3) Assemble the engine per Chapter 72-10 and complete an Operational Ground Check per
Chapter 72-00.
(4) If visible damage is evident or if engine fails magneto drop off check in accordance with
the IO-390-D Series Engine Installation and Operation Manual replace the EIS with a
new unit.
05-50
Page 52
IO-390-D Series Engine Maintenance Manual
IO-390-D Series Engine Maintenance Manual
© 2020 Avco Corporation. All Rights Reserved
March 2020