Oil Hose Replacement (General Instructions For Any Oil Hose) - Lycoming TEO-540-C1A Maintenance Manual

4. Oil Hose Replacement (General Instructions for Any Oil Hose)

Disconnect, drain, and discard the oil hose.
A.
CAUTION
Ensure the new oil hose is free from obstructions before installing.
B.
Install a new oil hose; do not let the oil hose touch a heat source.
C.
CAUTION
Make sure there are no sharp bends or kinks in the oil line routing
D.
Torque the fitting connections on the oil hose ends in accordance with the torque values in
E.
the Standard Torque Tables in the latest revision of the Service Table of Limits - SSP-1776
and aircraft manufacturer's instructions.
5. Oil Filler Extension and Oil Level Gage Assembly Removal
Remove and discard the safety wire/cable (Figure 2) from the oil filler extension.
A.
Remove the oil level gage assembly from the oil filler extension (Figure 3).
B.
Examine the O-ring for damage and wear. Replace a damaged or worn O-ring.
C.
Carefully turn the oil filler extension (Figure 3) to remove the oil filler extension and gasket
D.
from the engine. Discard the gasket.
Put the oil level gage assembly and oil filler extension on a clean surface in a safe place to
E.
prevent damage to the components and contamination.
Safety Wire on the Oil Filler Extension
72-50
Page 260
DO NOT TRY TO REPAIR AN OIL HOSE. REPLACE A BRITTLE,
CRACKED, KINKED, OR DAMAGED OIL HOSE.
MAKE SURE THERE ARE NO SHARP BENDS OR KINKS IN THE OIL
HOSE ROUTING TO PREVENT INTERRUPTIONS TO OIL FLOW.
MAKE SURE OIL HOSES ARE NOT TOUCHING HEAT SOURCES
THAT COULD DAMAGE THE HOSE AND CAUSE OIL LOSS.
Figure 2
TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Figure 3
Oil Level Gage
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November 2018