Table 1 - Corrective Action For Fuel Hoses - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Condition
Leaky, cracked, brittle, worn, chafed, fuel hose
Damaged, brittle, cracked, kinked, loose,
crimped fuel hose
No clamps installed on fuel hose that had been
in service
Loose clamps
Deteriorated cushion on clamp, missing
cushion, or cushion does not completely cover
the fuel hose diameter.
Problem with fuel injector clamp installation
caused by obstructive baffling
3. Fuel Injector Leak Check
WARNING DO NOT SMOKE OR HAVE AN OPEN FIRE FLAME OR USE ANY DEVICE
THAT CAN MAKE SPARKS. FLAMES OR SPARKS CAN CAUSE FUEL
IGNITION WHICH CAN CAUSE SERIOUS BURNS, INJURY OR DEATH.
MAKE SURE THERE IS ADEQUATE VENTILATION ANY TIME THE
ENGINE FUEL SYSTEM IS OPENED. FAILURE TO PROVIDE ADEQUATE
VENTILATION COULD RESULT IN INJURY OR DEATH OF PERSONNEL.
A. Equipped with Airframe Boost Pump
NOTICE: Complete this procedure on each suspect leaky fuel injector.
(1) Apply power to the aircraft.
(2) Turn on the airframe boost pump.
(3) Examine the inlet of each fuel injector (Figure 1) and fuel injector rail assembly for leaks.
Replace any fuel injectors that are leaking. Refer to the section "Fuel Injector
Replacement" in this chapter.
(4) Turn off the airframe boost pump.
(5) Start the engine and operate it for 3 minutes.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Table 1
Corrective Action for Fuel Hoses
Do NOT repair any fuel hose that leaks or is
cracked, brittle worn, or chafed.
Replace the fuel hose with a new fuel hose.
Do NOT re-use any fuel hose that is damaged,
brittle, cracked, or kinked.
Replace the fuel hose with a new fuel hose.
Replace the fuel hose with a new fuel hose (as a
precaution) and install serviceable cushioned
clamps on the fuel hose to securely hold the fuel
hose in place and prevent fuel hose movement
from vibration.
Replace the fuel hose with a new fuel hose and
install serviceable cushioned clamps on the fuel
hose to securely hold the fuel hose in place to
prevent fuel hose movement from vibration.
Examine fuel hoses in areas adjacent to the
clamp. Replace any fuel hose that has missing or
deteriorated cushions on clamps.
Install the fuel injector clamps to enable
clearance.
Corrective Action
73-10
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