Supplement POH
Cessna 172 R&S
(FAA-Version)
Page 4-13
Issue 3
Revision 1, Jan. 2018
(7) Oil Pressure – CHECK
(8) CED-Test Knob – PRESS (to delete Caution light)
(9) Ammeter – CHECK for positive charging current
(10) Voltmeter – CHECK for green range
(11) FADEC Backup Battery test
a) Alternator – OFF, engine must operate normally
b) Battery – OFF, for min. 10 seconds;
engine must operate normally, the red FADEC lamps
must not be illuminated
c) Battery – ON
d) Alternator – ON
(12) Ammeter – Check positive charge, alternator warning light
must be OFF
(13) Voltmeter – Check in green range
(14) Flaps – RETRACT
WARM UP AND FADEC-TEST
(1) Let the engine warm up about 2 minutes at IDLE (890 RPM).
(2) Increase RPM to max. 1,400 RPM until Oil Temperature
50°C (122°F), Coolant Temperature 60°C (140°F).
(3) Area Aircraft / Propeller - CLEAR
CAUTION: Do not overheat the starter motor. Do not
operate the starter motor for more than 10
seconds. After operating the starter motor,
let it cool off for 20 seconds. After 6
attempts to start the engine, let the starter
cool off for half an hour.
CAUTION: If after 3 seconds the minimum oil pressure
of 1 bar is not indicated:
shut down the engine immediately!
WARNING: It must be ensured that both battery and
alternator are ON!
If the guarded alternator switch is installed,
the switch guard must be closed.
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