Lycoming IO-390-D Series Maintenance Manual page 53

IO-390-D Series Engine Maintenance Manual
IO-390-D Series Engine Maintenance Manual
100-Hour or Annual Engine Inspection Checklist for IO-390-D Series Engines (Cont.)
Cylinder Compression Check
Complete the "Cylinder Compression Check Procedure" in Chapter 72-30. Record the results for
each cylinder.
Cylinder 1
Cylinder 2
Cylinder 3
Cylinder 4
Inspection Item
Operational Test
Complete an Operational Ground
Check in Chapter 72-00.
© 2020 Avco Corporation. All Rights Reserved
March 2020
Comments Results/Notes Done
05-20
Page 27