Engine Pre-Oil Procedure - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
C. Apply one to two drops of Loctite
install the two oil sump drain plugs in the oil sump. Torque the drain plugs in accordance
with the Standard Torque Tables in the latest revision of the Service Table of Limits - SSP-
1776.
CAUTION
D. Complete the "Oil Filter Replacement" procedure in section 11 in this chapter during the oil
change.
E. Complete the "Oil Suction Screen Removal/Inspection/Cleaning/Installation" procedure in
section 10 of this chapter.
F. Add oil of the correct viscosity for ambient temperature to the engine. Refer to the "Add Oil
to the Engine" procedure in section 5 in this chapter.
NOTICE: If an oil hose has been disconnected or if the oil cooler was drained or replaced or
after any prolonged period of engine inactivity complete the "Engine Pre-Oil
Procedure" in section 9 of this chapter.
G. Complete the "Oil Level Check" procedure in section 2 in this chapter.
H. Safety cable/wire the oil sump drain plugs (Figure 2), suction screen plug (Figure 3), and oil
filter (if applicable) in accordance with the standard practices per the latest revision of
AC43.13-1B or the latest revision of Service Instruction No. SI-1566.
I. Dispose of the oil in the collection container in accordance with environmental safety laws.
J. Clean up any oil spilled on the engine.
K. After all service is complete, refer to the Pilot's Operating Handbook (POH) to start the
engine, complete the pre-flight run-up, stop the engine, and look for leaks in the oil system.
Identify and correct the cause of any oil leak.

9. Engine Pre-Oil Procedure

Refer to the latest revision of Service Instruction No. SI-1241 for additional details.
Complete the engine pre-oil procedure on the engine at the following times:
• Before the initial start of an engine after engine installation
• After oil cooler replacement or draining
• After disconnecting any oil lines from the oil cooler circuit.
• After any prolonged period of inactivity requiring a preservation procedure per the latest
revision of Service Letter No. L180
WARNING IF THE PRE-OIL PROCEDURE IS NOT DONE, HIGH-SPEED BEARING
FAILURE CAN OCCUR.
NOTICE: The purpose of the engine pre-oil procedure is to internally circulate oil through the
engine via a few turns of the engine crankshaft to ensure that oil pressure is sustained
and that there are no oil leaks.
© 2018 Avco Corporation. All Rights Reserved
November 2018
®
564
MAKE SURE THAT THE OIL SUMP DRAIN PLUGS ARE INSTALLED
AND TORQUED CORRECTLY TO PREVENT OIL LEAKAGE WHICH
CAN CAUSE ENGINE FAILURE.
™
to the threads of each oil sump drain plug and
12-10
Page 69