Fuel Injector Adapter Replacement - Lycoming TEO-540-C1A Maintenance Manual

(3) Remove the fire sleeve from the fuel injector to be replaced.
(4) Discard the fuel injector to be replaced.
(5) Remove the fuel collection container and dispose of the fuel in accordance with
environmental regulations.
B. Fuel Injector Installation
CAUTION
NOTICE: Fuel injectors are identical and can be installed in any of the six cylinders in the
engine.
(1) Make sure the fuel injector(s) to be installed are acceptable.
(2) Install the fuel injector rail and fuel injectors per instructions in the "Fuel Injector Rail
Assembly Installation" section of this chapter.

8. Fuel Injector Adapter Replacement

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.
NOTICE: If this fuel injector adapter replacement procedure is completed with the engine installed
in the airframe, refer to the airframe manufacturer's instructions for shutting off the fuel
and grounding the aircraft.
A. Removal of Adapter from Fuel Injector
(1) Remove the fuel injector rail per instructions in the "Fuel Injector Rail Assembly
Removal" section of this chapter.
(2) Remove the fuel injector adapter (Figure 9) to be replaced from the engine cylinder.
(3) Discard the fuel injector adapter and the annular gasket.
B. Installation of Adapter on Fuel Injector
(1) Apply Loctite
(2) Install a new annular gasket on the fuel injector adapter.
(3) Install the new fuel injector adapter with the new annular gasket in the engine cylinder.
Torque the fuel injector adapter to 12 ft.-lb. (16 Nm).
(4) Install the fuel injector rail and fuel injectors per instructions in the "Fuel Injector Rail
Assembly Installation" section of this chapter.
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DO NOT DAMAGE THE FUEL INJECTOR O-RING DURING
INSTALLATION. LOSS OF FUEL SYSTEM PRESSURE AND FUEL
LEAKAGE COULD OCCUR AND CAUSE A POTENTIAL FIRE
HAZARD.
DO NOT DAMAGE THE FUEL INJECTOR O-RING DURING
INSTALLATION. LOSS OF FUEL SYSTEM PRESSURE AND FUEL
LEAK COULD OCCUR CREATING A POTENTIAL FIRE HAZARD.
®
569 to the threads of the fuel injector adapter.
TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
© 2018 Avco Corporation. All Rights Reserved
November 2018