Cirrus DESIGN SR20 Information Manual page 108

Section 4
Normal Procedures
Hot air must be applied directly to the oil sump and external oil
lines as well as the cylinders, air intake and oil cooler.
Because excessively hot air can damage non-metallic
components such as composite parts, seals, hoses, and
drives belts, do not attempt to hasten the preheat process.
1. Ignition Switch ..........................................................................OFF
Use extreme caution when pulling the propeller through by
hand. Make sure ignition switch is OFF, keys are out of
ignition, and then act as if the engine will start. A loose or
broken ground wire on either magneto could cause the engine
to fire.
2. Propeller........................................... Hand TURN several rotations
3. External Power (If applicable) ....................................... CONNECT
4. Brakes .................................................................................. HOLD
5. Bat Master Switch ............................................ ON (check voltage)
6. Vacuum System ................................................................. CHECK
a. VACUUM Annunciator ........................................................ ON
b. AUX Vac Annunciator ..................................ON (Pump Green)
c. Suction Gage...................................................... GREEN ARC
d. Attitude Gyro Flag............................................. OUT OF VIEW
7. Mixture ......................................................................... FULL RICH
8. Power lever..........................................................FULL FORWARD
9. Fuel Pump..................................................... PRIME, then BOOST
Serials 1005 - 1227 before SB 20-73-02: In temperatures
down to 20°F, hold Fuel Pump switch to PRIME for 8-10
seconds prior to starting.
Serials 1005 - 1227 after SB 20-73-02 and serials 1228 and
subsequent: In temperatures down to 20°F, hold Fuel Pump
switch to PRIME for 10 seconds prior to starting.
10. Propeller Area ..................................................................... CLEAR
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• WARNING •
• Note •
Cirrus Design
P/N 13999-002 Info Manual
September 2011
SR20