SECTION 3
LYCOMING OPERATOR’S MANUAL
OPERATING INSTRUCTIONS
TIO-540 SERIES – ANGLE VALVE CYLINDER HEADS
a. TIO-540 Series (Cold Engine).
(1) Perform pre-flight inspection.
(2) Set propeller governor in Full RPM.
(3) Turn fuel valve to on position.
(4) Open throttle approximately ¼ travel.
(5) Turn boost pump on and move mi
xture control to Full Rich pos
ition until a slight but steady
flow is indicated.
(6) Return mixture control to Idle Cut-Off position.
(7) Set magneto selector switch. Consult airf
rame manufacturers handbook for correct position.
(8) Engage starter.
(9) When engine starts, place magneto
selector switch in Both position.
(10) Move mixture control slowly
and smoothly to Full Rich.
(11) Check oil pressure gage for indicated pressure. If oil pressure is not indicated within thirty
seconds, stop the engine and determine trouble.
NOTE
If engine fails to achieve a normal start, assume it to be flooded and use standard clearing
procedure. Then repeat above procedure.
b. TIO-540 Series (Hot Engine) –
Because of the fact that the fuel percolates and the system must be
cleared of vapor, it is recommended that the same procedure, as outlined above, be used for starting a
hot engine.
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.
Subject engines are air pressure cooled and depend on the
forward movement 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 indicated cylinder head temperature should exceed the maximum stated in this manual.
3-2
Содержание TIO-540-A1A
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