A I R C R A F T
SA 160
A I R C R A F T
A I R C R A F T
Symphony
4-22
SECTION 4
NORMAL PROCEDURES
(
c) Starting Cold Engine (4.5 c)
Set the brakes and turn on the alternator and the strobe light. At night
turn on the instrument and map lights. They should be switched on
to check the engine parameters on the VM 1000 display during start.
Check the carburetor heat is OFF.
It is recommended, that when starting a cold engine, prime it by
pumping throttle one to three strokes. In this way extra fuel becomes
injected directly into the cylinder fuel-air induction system.
Then open the throttle lever approximately 6 mm (1/4 in.). Set the
MIXTURE lever to the FULL RICH position.
For aircraft equipped with a primer system, it is recommended,that
when starting a cold engine, prime it (max. 3 strokes) and secure the
primer button.
Overpriming complicates the engine starting process, it may
result in a discharge of fuel or even an engine fire.
A unlocked primer button can affect negatively to engine
operation.
After ascertaining that the propeller area is clear of people (6 meters),
engage the starter by rotating the ignition switch clockwise. As soon
as the engine fires, release ignition switch, and move the throttle to
attain 1000 - 1200 RPM. If the engine does not fire within 5 - 10
seconds, disengage the starter and repeat starting procedure after
approx 2 minutes.
The oil pressure immediately after starting should at least be 25 psi.
Otherwise, shut down engine.
At night, turn ON the NAV light.
WARNING !
Feb 25, 2005
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