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Engine Model Number___________________ Engine Serial Number:___________________
Engine Time:______________________ Date Inspection Done:________________________
Inspection done by:___________________________
Requirement
Make sure that all switches are OFF.
Make sure the Lycoming EIS or magneto P-leads are
connected.
NOTICE: During the first 50 hours of engine operation of a new, rebuilt, or overhauled engine, it
is recommended that this engine be operated with mineral oil until oil consumption has
stabilized.
The oil sump capacity and the minimum quantity for flight are identified in Appendix A.
Per the "Oil Level Check" procedure in Chapter 12-10*,
measure the engine oil level before every flight to make
sure there is sufficient oil in the engine. If the oil level is
unexpectedly too low, look for any oil leaks. Identify and
correct the cause of any oil leak. There must not be any
oil leaks. Add the correct specified grade of oil as
necessary per the "Add Oil to the Engine" procedure in
Chapter 12-10.*.
Make sure that the engine crankcase breather is attached
tightly and that there are no blockages to the breather air
flow.
If the engine is newly installed or is to be put back into
service after long-term storage, make sure that the pre-oil
procedure was done.
Make sure that the induction air filter is clean and
securely in place.
Examine the engine, propeller hub area, and cowl for
indication of fuel and engine oil leaks.
Look in the engine compartment and cowling for any
FOD such as: unwanted material, tools, loose, missing
fittings, clamps and connections. Examine for restrictions
to cooling airflow. Remove any FOD.
* Refer to the IO-390-D Series Engine Maintenance Manual.
Engine Initiation
Page 28
IO-390-D Series Engine Installation and Operation Manual
Pre-Flight Inspection Checklist for Engine Initiation
Comments
Remove any blockage to the air
flow. Identify and correct the
cause of any blockage.
Refer to Section "Step 12.
Engine Pre-Oil Procedure" in
the "Engine Installation"
chapter in this manual.
Identify and correct the cause of
any leaks.
Tighten any loose hardware or
connections per torque values
supplied by the aircraft
manufacturer.
© 2020 Avco Corporation. All Rights Reserved
Done
March 2020
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