SECTION 7 LYCOMING OPERATOR’S MANUAL
INSTALLATION AND STORAGE O-360 AND ASSOCIATED MODELS
Propeller Installation – Consult the airframe manufacturer for information relative to propeller installation.
1. PREPARATION OF CARBURETORS AND FUEL INJECTORS FOR INSTALLATION.
Carburetors and fuel injectors that have been prepared for storage should undergo the following
procedures before being placed in service.
Carburetor (MA-4-5, MA-4-5AA) – Remove the fuel drain plug and drain preservative oil. Remove the fuel
inlet strainer assembly and clean in a hydrocarbon solvent. Reinstall the fuel drain plug and fuel inlet
strainer assembly.
Carburetor (PSH-5BD) – Remove the fuel inlet strainer and all plugs leading to the fuel chambers. Drain
preservative oil from the carburetor. Clean the fuel inlet strainer in a hydrocarbon solvent. Reinstall fuel
inlet strainer and replace all plugs.
Remove plug opposite the manual mixture control needle and drain any accumulated moisture from the air
chamber. Replace plug.
With the throttle lever in the wide open position and the manual mixture control in the full rich position,
inject clean fuel through the fuel inlet connection at 5 psi until clean fuel flows from the discharge nozzle.
CAUTION
DO NOT ALLOW FUEL OR OIL TO ENTER INTO THE AIR CHAMBER.
Move the throttle lever to the closed position and the mixture control lever to the idle cut-off position.
Because this carburetor has a closed fuel system, it will remain full of fuel as long as the mixture control
lever is in the idle cut-off position.
NOTE
It is necessary that this carburetor soak for an eight hour period before starting the engine.
The soaking period may be performed prior to or after installation on the engine.
Fuel Injector (Bendix) – Remove and clean the fuel inlet strainer assembly and reinstall. Inject clean fuel
into the fuel inlet connection with the fuel outlets uncapped until clean fuel flow from the outlets. Do not
exceed 15 psi inlet pressure.
CORROSION PREVENTION IN ENGINES INSTALLED IN INACTIVE AIRCRAFT
Corrosion can occur, especially in new or overhauled engines, on cylinder walls of engines that will be
inoperative for periods as brief as two days. Therefore, the following preservation procedure is
recommended for inactive engines and will be effective in minimizing the corrosion condition for a period
up to thirty days.
NOTE
Ground running the engine for brief periods of time is not a substitute for the following
procedure; in fact, the practice of ground running will tend to aggravate rather than
minimize this corrosion condition
7-2
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