Fuel System Inspection - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
73-10 - ENGINE FUEL AND CONTROL – DISTRIBUTION MAINTENANCE

1. Fuel System Inspection

WARNING DO NOT SMOKE OR HAVE AN OPEN FIRE/FLAME OR USE ANY
DEVICE THAT CAN MAKE SPARKS DURING THIS INSPECTION.
FLAMES OR SPARKS CAN CAUSE FUEL IGNITION WHICH CAN CAUSE
SERIOUS BURNS, INJURY, OR DEATH.
CAUTION TO ENSURE CORRECT ENGINE OPERATION AND FLIGHT SAFETY,
THERE MUST NOT BE ANY FUEL LEAK AND ALL FUEL HOSES MUST
BE SECURED WITH CLAMPS (PER THE "FUEL HOSE INSPECTION"
PROCEDURE IN THIS CHAPTER). IDENTIFY AND CORRECT THE CAUSE
OF ANY FUEL LEAK.
NOTICE: This inspection is to be done every 100 hours.
A. Make a copy of the Fuel System Inspection Checklist in this chapter and complete this
checklist for this inspection.
B. Examine the fuel pump for secure attachment and damage. Replace a damaged or
malfunctioning fuel pump. Tighten any loose fasteners in accordance with the Standard
Torque Tables in the latest revision of the Service Table of Limits - SSP-1776.
C. Examine the two fuel injector rail assemblies (Figure 1) for damage, leaks, and loose fittings
or connections. Tighten any loose fittings or connection in accordance with the Standard
Torque Tables in the latest revision of the Service Table of Limits - SSP-1776. Replace a
damaged fuel injector rail per the "Fuel Injector Rail Assembly Replacement" section in this
chapter.
D. Examine the weld joints at the end of both fuel injector rails for cracks. Replace the fuel
injector rail if the weld joint is cracked.
E. Examine the fuel injector and fire sleeves (Figures 1 and 9) for damage, leaks, and loose
fittings or connections. If the fuel injector fire sleeves are damaged, replace them. Tighten
any loose fittings or connection in accordance with the Standard Torque Tables in the latest
revision of the Service Table of Limits - SSP-1776. Replace a damaged fuel injector per the
"Fuel Injector Replacement" section in this chapter.
F. Examine fuel hose fittings for damage or leaks. Make sure all fuel hose fittings and
connections are secure and correctly torqued per the Standard Torque Tables in the latest
revision of the Service Table of Limits - SSP-1776. If tightening does not correct a fuel leak,
replace the fitting.
G. Remove the fuel inlet strainers from the inlet side and clean the inlet strainer.
H. Complete the "Fuel Hose Inspection" procedure in this chapter.
I. Make sure the power control and linkage have full travel, freedom of movement.
J. Lubricate the linkage per the aircraft manufacturer's instruction.
K. Operate the engine and look for leaks. Identify and correct the cause of any leak or
malfunction. If leaks or malfunctions were found and corrected, operate the engine again to
make sure it is operating correctly and there is no leak anywhere.
L. Do not return the engine to service unless the engine is operating correctly and does not have
any leaks.
© 2018 Avco Corporation. All Rights Reserved
November 2018
73-10
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