© 2020 Avco Corporation. All Rights Reserved Service Document List
March 2020 Page iii
IO-390-D Series Engine Installation and Operation Manual
SERVICE DOCUMENT LIST
NOTICE: The following is a list of service documents referenced in or incorporated into the
information in this manual. Always refer to the latest revision of any service document
for changes or additional information. Supplements to a service document contain
information relevant to the service document but not yet added to the service document.
The latest revision of all service documents in this list can be downloaded from our
website https://www.lycoming.com/contact/knowledge-base/publications.
To narrow the search parameters and limit the number of returns, enter only the
numerical portion of the service document number in the Search box on the website.
Engine Inspection after Overspeed
Action to Take If Loss of Oil Pressure
I. Oil and Filter Change and Screen Cleaning
II. Oil Filter Screen Content Inspection
Recommended Action for Sudden Engine Stoppage,
Propeller/Rotor Strike or Loss of Propeller/Rotor
Blade or Tip
Recommended Time Between Overhaul Periods
Lubricating Oil Recommendations
Fuel Mixture Leaning Procedures
Propeller Flange Bushing Location
Counterweight Bushing Inspection, Replacement,
and Special Tooling Upgrades
FAA Approved Starter and Alternators
Pre-oil the Engine Prior to Initial Start
Engine Nameplate Replacement
Lycoming Engines P/N LW-16702, Oil Additive
Lycoming Reciprocating Engine Run-In and Oil
Consumption
Approved Slick Magnetos and Lycoming Electronic
Ignition System (EIS) on Lycoming Engines
Removal of Preservative Oil from Engine
Factory Engine Preservation