Lycoming IO-360-N1A Installation And Operation Manual page 30

B. Remove desiccant bags.
C. Put a container under the engine to collect the cylinder preservative oil.
D. Remove the shipping plugs installed in the lower spark plug holes.
E. Remove the desiccant plugs from the upper spark plugs holes.
F. Turn the crankshaft through three or four complete revolutions to remove the cylinder
preservative oil from the cylinders.
G. Collect the cylinder preservative oil as it drains out of the lower spark plug holes.
H. Tilt the engine to one side until the spark plug holes on that side are vertical.
I. Turn the crankshaft two revolutions and let the oil drain out through the spark plug holes.
J. Tilt the engine to the other side until the spark plug holes on that side are vertical.
K. Turn the crankshaft two revolutions and let the oil drain out through the spark plug holes.
3. Examine the cylinder bores with a borescope for rust and contamination. Refer to the IO-360-
N1A Engine Service Manual.
4. If any corrosion or unusual conditions are found, speak to Lycoming Engine's Service
Department.
5. Drain preservative oil from the oil sump:
A. Put a 15-quart (14-liter) capacity container under the oil sump.
B. Remove the safety wire from both oil sump drain plugs. Discard the safety wire.
C. Remove the oil sump drain plugs.
D. Drain the remaining preservative oil from the oil sump into the container.
NOTICE: If some preservative oil stays in the engine, it will not damage the engine. The
preservative oil will be removed after the first 25 hours of operation during the oil
change.
E. Remove, examine, clean, and reinstall the oil suction screen per the "Oil Suction Screen
Removal/Inspection/Cleaning/Installation" section in Chapter 12-10 of the IO-360-N1A
Engine Service Manual.
F. Apply one to two drops of Loctite
install the oil sump drain plugs in the oil sump. Torque the drain plugs in accordance with the
latest revision of the Service Table of Limits - SSP-1776.
MAKE SURE THAT BOTH OIL SUMP DRAIN PLUGS AND THE
SUCTION SCREEN PLUG ARE INSTALLED TIGHTLY. IF THE DRAIN
PLUGS AND OIL SUCTION SCREEN PLUG ARE NOT TIGHTLY
INSTALLED AND LEAKS, ENGINE FAILURE CAN OCCUR.
G. Safety wire the two oil sump drain plugs and oil suction screen plug in accordance with the
standard practices per the latest revision of AC43.13-1B.
Requirements for Engine Installation
Page 10
IO-360-N1A Engine Installation and Operation Manual
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564 to the threads of each oil sump drain plug and
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February 2016