Oil Filler Extension And Oil Level Gage Assembly Installation - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual

6. Oil Filler Extension and Oil Level Gage Assembly Installation

A. Apply Food-Grade Anti-Seize to the threads of the top and bottom of the oil filler extension
(Figure 3) and to the threads on the oil level gage assembly.
B. Install a new gasket on the bottom threads of the oil filler extension.
C. Install the oil filler extension with the new gasket on the engine.
D. Install a serviceable O-ring on the oil level gage assembly.
CAUTION
E. Install the oil level gage assembly into the oil filler extension.
F. Safety wire/cable the oil filler extension as shown in Figure 2. Refer to the latest revision of
Service Instruction No. SI-1566.
7. Oil Pressure Relief Valve Removal
Remove and discard the safety wire/cable from the oil pressure relief valve (Figure 4).
A.
Remove the oil pressure relief valve, spring, ball, and gasket (Figure 5) from the crankcase.
B.
Discard the gasket.
Figure 4
Safety Wire on the Oil
Pressure Relief Valve
8. Oil Pressure Relief Valve Inspection
A. Examine the oil pressure relief valve spring to be sure it meets specifications in accordance
with the latest revision of the Service Table of Limits - SSP-1776.
B. Examine the threads on the oil pressure relief valve. If the threads are stripped or galled,
replace the valve.
© 2018 Avco Corporation. All Rights Reserved
November 2018
TO PREVENT CONTAMINATION OF THE OIL IN THE SUMP, MAKE
SURE THE OIL LEVEL GAGE ASSEMBLY DIPSTICK IS WIPED
CLEAN AND DOES NOT HAVE ANY DEBRIS OR CONTAMINATION.
Oil Pressure Relief Valve
Figure 5
Figure 6
Apply Copper Based
Anti-Seize to Threads
72-50
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