IO-390-D Series Engine Maintenance Manual
Appendix A
© 2020 Avco Corporation. All Rights Reserved
Page 294
March 2020
IO-390-D Series Engine Maintenance Manual
Fin Stabilizer Installation
NOTICE:
Two different widths of fin stabilizers, 0.63 in. (16.00 mm) and 0.31 in. (7.87 mm) are
to be installed on each engine cylinder in the locations shown in Figure A-3.
1.
Clean the fin stabilizers and cylinder fin areas with mineral spirits or equivalent to remove all
grease, dirt, and other unwanted materials.
2.
Use compressed air to dry the stabilizers and fins.
3.
Apply Dow Corning
®
Silastic
®
140 adhesive to the cylinder fins (Figure A-4).
4.
Install the fin stabilizers in the locations shown in Figure A-5.
Figure A-4
Apply Adhesive
Figure A-3
Fin Stabilizer Locations
Figure A-5
Fin Stabilizer Installed on Cylinder
