© 2020 Avco Corporation. All Rights Reserved List of Figures
March 2020 Page ix
IO-390-D Series Engine Installation and Operation Manual
IO-390-D1A6, -D3A6 Engine
IO-390-D1B6, -D3B6 Engine
Lubrication System for IO-390-D Series Engines
Cylinder Number Designation
Engine Reception and Lift
Example of Engine Box/Crate
Requirements for Engine Installation
Plug in the Induction System
Fuel Drain Valve Adapter Assembly Installed in the Induction System
Minimum Acceptable Dimension for a Bend in a Fuel Line
Oil Fill Tube and Oil Level Gage (Dipstick)
Appendix B - Performance Data
Sea Level and Altitude Performance
Fuel Flow vs. Nozzle Pressure
Fuel Flow vs. Percent Rated Power
Propeller Governor Oil Transfer Leakage