LYCOMING OPERATOR’S MANUAL SECTION 3
O-360 AND ASSOCIATED MODELS OPERATING INSTRUCTIONS
(11) Move mixture control slowly and smoothly to Full Rich.
(12) Check oil pressure gage. If minimum oil pressure is not indicated within thirty seconds, stop
engine and determine trouble.
c. Engines Equipped with Simmonds Type 530 Fuel Injector.
(1) Perform pre-flight inspection.
(2) Set alternate air control in Off position.
(3) Set propeller governor control in Full RPM position.
(4) Turn fuel valve On.
(5) Turn boost pump On.
(6) Open throttle approximately ¼ travel, move mixture control to Full Rich until a slight but
steady fuel flow is noted (approximately 3 to 5 seconds) then return throttle to Closed and
return mixture control to Idle Cut-Off.
(7) Turn boost pump Off.
(8) Open throttle ¼ travel.
(9) Move combination magneto switch to Start, using accelerator pump as a primer while cranking
engine.
(10) When engine fires allow the switch to return to Both.
(11) Check oil pressure gage. If minimum oil pressure is not indicated within thirty seconds, stop
engine and determine trouble.
4. COLD WEATHER STARTING. During extreme cold weather, it may be necessary to preheat the engine
and oil before starting.
5. GROUND RUNNING AND WARM-UP.
The engines covered in this manual are air-pressure cooled and depend on the forward speed of the aircraft
to maintain proper cooling. Particular care is necessary, therefore, when operating these engines on the
ground. To prevent overheating, it is recommended that the following precautions be observed.
NOTE
Any ground check that requires full throttle operation must be limited to three minutes, or
less if the cylinder head temperature should exceed the maximum as stated in this manual.
3-3
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