10-Hour Initial Engine Inspection For Io-390-D Series Engines - Lycoming IO-390-D Series Maintenance Manual

3. 10-Hour Initial Engine Inspection for IO-390-D Series Engines

Complete this inspection after the first 10 hours of initial operation of a new, rebuilt, or
A.
overhauled engine.
Copy and complete the 10-Hour Initial Engine Inspection Checklist for IO-390-D Series
B.
engines as a record of engine service. Record the engine hours.
WARNING
NOTICE: Copy the blank checklist and complete this checklist as a record of engine
maintenance. Put the completed checklist in the engine logbook.
10-Hour Initial Engine Inspection Checklist for IO-390-D Series Engines
Engine Model Number___________________
Engine Time:___________________________
Inspection done by:______________________________
Inspection Item
NOTICE: As needed, set fuel controls on new, rebuilt, or overhauled engine to 50 to 100 rpm
higher than usual idle speed (600 to 700 rpm) for the first 25 hours of operation - then
adjust to the usual setting after the first 25 hours of operation.
Complete the Operational
Ground Check in Chapter 72-00.
05-20
Page 16
BEFORE ANY ENGINE INSPECTION OR SERVICE PROCEDURE,
MAKE SURE THE IGNITION SWITCH IS SET TO OFF AND THAT ALL
POWER TO THE ENGINE IS DISCONNECTED. ENSURE ALL
OBJECTS/PERSONNEL ARE CLEAR OF THE PROPELLER'S
ROTATIONAL ARC. IF POWER IS ON, A LOOSE OR BROKEN WIRE
CAN CAUSE THE ENGINE TO START AND THE PROPELLER TO
TURN WHICH CAN LEAD TO DEATH OR SERIOUS INJURY OR A
PROPELLER STRIKE.
Comments
Look for leaks. Identify
and correct the cause of
any leak. Correct any
problem to make sure the
engine operates correctly to
specifications in Appendix
A of the IO-390-D Series
Engine Installation and
Operation Manual.
IO-390-D Series Engine Maintenance Manual
IO-390-D Series Engine Maintenance Manual
Engine Serial Number:___________________
Date Inspection Done:____________________
Results/Notes
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Done
March 2020