Lycoming IO-360-N1A Installation And Operation Manual page 61

IO-360-N1A Engine Installation and Operation Manual
6. Apply Food Grade AA Anti-Seize compound to the oil suction screen plug and install the oil
suction screen, and plug with a new gasket. Tighten until sealing surfaces are in contact then
turn an additional 135º.
7. Apply one to two drops of Loctite
8. Install, torque, and safety wire the oil sump drain plug in accordance with the latest revision
of the Service Table of Limits - SSP-1776.
9. Fill the spray gun with the preservative oil mixture.
10. Fill the oil sump with the specified preservative oil mixture.
11. Operate the engine until it is at the specified operating temperature in Appendix A. If
temperatures are below freezing, the oil temperature must be at least 165ºF (74ºC) before the
engine is stopped in the next step.
12. Stop the engine.
13. While the engine is still hot, immediately remove sufficient cowling to get access to the spark
plugs.
NOTICE: Make sure the oil is hot at the nozzle before spray application to the cylinders.
14. Remove both spark plugs from each cylinder. Refer to Chapter 74-20 in the IO-360-N1A
Engine Service Manual.
15. Put the spray gun in either of the spark plug holes. Apply the preservative oil mixture to each
cylinder, one at a time.
16. Use the spray gun to apply a coat of approximately 2 oz. (60 ml) of the preservative oil
mixture through the spark plug hole on the interior wall of each cylinder.
17. After spray application is complete, remove the spray gun from the spark plug hole.
18. Install the spark plugs per Chapter 74-20 in the IO-360-N1A Engine Service Manual (or
cylinder dehydrator plugs MA-27512-2 or equivalent if the aircraft is kept in a region that has
high humidity or near a sea coast).
NOTICE: In the next several steps, refer to the IO-360-N1A Engine Maintenance Manual for
component removal and installation instructions.
19. While the engine is still warm:
A. Remove the exhaust system and intake pipes.
B. Install bags of clay desiccant in the exhaust and intake ports.
C. Install the exhaust system and intake pipes.
D. Attach red cloth streamers to the desiccant as a reminder for the material to be removed
when the engine is made ready for flight.
E. With moisture-proof material and pressure sensitive tape, seal these openings.
 Exhaust ports
 Intake ports
 Breather
© 2016 Avco Corporation. All Rights Reserved
February 2016
®
564 to the threads of the oil sump drain plug.
DO NOT TURN THE CRANKSHAFT AFTER YOU SPRAY THE
CYLINDERS WITH PRESERVATIVE OIL.
 Vacant accessory pad
 All openings that connect the inside of the engine to the outside
atmosphere
Engine Preservation and Storage
Page 41