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will not fire, and additional priming will be necessary. As soon as the
cylinders begin to fire, open the power lever slightly to keep it running.
Refer to Cold Weather Operation in this section or additional
information regarding cold weather operations.
• WARNING •
If airplane will be started using external power, keep all
personnel and power unit cables well clear of the propeller
rotation plane.
• Caution •
Alternators should be left OFF during engine starting to avoid
high electrical loads.
After starting, if the oil gage does not begin to show pressure
within 30 seconds in warm weather and about 60 seconds in
very cold weather, shut down engine and investigate cause.
Lack of oil pressure indicates loss of lubrication, which can
cause severe engine damage.
1. External Power (If applicable) ....................................... CONNECT
2. Brakes ..................................................................................HOLD
(Continued on following page)
March 2010
4-12 Information Manual
Section 4 Cirrus Design
Normal Procedures SR20
3. Bat Master Switch ............................................... ON (Check Volts)
4. Strobe Lights ............................................................................. ON
5. 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
6. Mixture ......................................................................... FULL RICH
7. Power Lever ........................................................FULL FORWARD
8. Fuel Pump.....................................................PRIME, then BOOST
• Note •
Serials 1005 - 1228 before SB 20-73-02: On first start of the
day, especially under cool ambient conditions, holding Fuel
Pump switch to PRIME for 2-4 seconds will improve starting.
Serials 1005 - 1228 after SB 20-73-02 and serials 1229 and
subsequent: On first start of the day, especially under cool
ambient conditions, holding Fuel Pump switch to PRIME for 2
seconds will improve starting.
The Fuel Pump should be left ON during takeoff and climb for
vapor suppression such as could occur under hot ambient
conditions or extended idle.
9. Propeller Area .....................................................................CLEAR
10. Power Lever ...........................................................OPEN ¼ INCH
11. Ignition Switch ....................... START (Release after engine starts)
• Caution •
Limit cranking to intervals of 20 seconds with a 20 second
cooling period between cranks. This will improve battery and
contactor life.
12. Power Lever ..............................RETARD (to maintain 1000 RPM)
13. Oil Pressure ....................................................................... CHECK
14. Vacuum System Annunciators ................................................ OUT
March 2010
Information Manual 4-13
Cirrus Design Section 4
SR20 Normal Procedures
15. Alt Master Switches ...................................................................ON
16. Avionics Power Switch ...............................................................ON
17. Engine Parameters ........................................................MONITOR
18. External Power (If applicable) ................................. DISCONNECT
19. Amp Meter/Indication......................................................... CHECK
Before Taxiing
1. Flaps ................................................................................. UP (0%)
2. Radios/Avionics ..................................................... AS REQUIRED
3. Cabin Heat/Defrost ............................................... AS REQUIRED
4. Fuel Selector...........................................................SWITCH TANK
Taxiing
When taxiing, directional control is accomplished with rudder
deflection and intermittent braking (toe taps) as necessary. Use only
as much power as is necessary to achieve forward movement.
Deceleration or taxi speed control using brakes but without a reduction
in power will result in increased brake temperature. Taxi over loose
gravel at low engine speed to avoid damage to the propeller tips.
• WARNING •
Maximum continuous engine speed for taxiing is 1000 RPM
on flat, smooth, hard surfaces. Power settings slightly above
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西锐20飞机信息手册 SR22 AIRPLANE INFORMATION MANUAL 1148-126(27)
