C
IRRUS
D
ESIGN
S
ECTION
4: N
ORMAL
P
ROCEDURES
SR20
E
NVIRONMENTAL
C
ONDITIONS
P/N 11934-005
4-25
5. Power Lever .......................................................................... OPEN ¼ INCH
6. Mixture............................................................................................. CUTOFF
7. Propeller Area..................................................................................... CLEAR
8. Fuel Pump.................................................................................................. ON
9. Mixture...................................................................... ADVANCE TO RICH
UNTIL STABLE FUEL FLOW IS INDICATED (3-5 SECONDS)
• N
OTE
•
In temperatures below 20 °F (-7 °C), mixture can remain in RICH
position for 5 - 10 seconds before moving to CUTOFF.
10.Mixture............................................................................................. CUTOFF
11.Ignition Switch .............. START (RELEASE AFTER ENGINE STARTS)
• CAUTION •
Limit cranking to intervals of 10 seconds with a 30-second cooling
period between cranks. This will improve battery and contactor
life.
12.Mixture.............SMOOTHLY ADVANCE TO RICH (AFTER ENGINE
STARTS)
13.Oil Pressure........................................................................................ CHECK
14.Power Lever ....................................... RETARD (MAINTAIN 1000 RPM)
15.Fuel Pump.................................................................................................OFF
16.ALT 1 and ALT 2 Switches...................................................................... ON
17.AVIONICS Switch.................................................................................... ON
18.Engine Parameters ...................................................................... MONITOR
19.External Power (If applicable)............................................ DISCONNECT
20.Amp Meter/Indication ..................................................................... CHECK
21.Strobe Lights .............................................................................................. ON
(Continued)
Reissue A