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weather starting and maintenance procedures.
• WARNING •
If external power will be used to start engine, keep yourself,
others, and power unit cables well clear of the propeller
rotation plane.
To apply external power to the airplane:
• Caution •
Do not use external power to start the airplane with a ‘dead’
battery or to charge a dead or weak battery in the airplane.
The battery must be removed from the airplane and battery
maintenance performed in accordance with the appropriate
AMM procedures.
1. Ensure that external power source is regulated to 28 VDC.
2. Check BAT and AVIONICS power switches are ‘off.’
3. Plug external power source into the receptacle.
4. Set BAT 1 switch to ON. 28 VDC from the external power unit will
energize the main distribution and essential distribution buses.
The airplane may now be started or electrical equipment
operated.
5. If avionics are required, set AVIONICS power switch ON.
• Caution •
If maintenance on avionics systems is to be performed, it is
recommended that external power be used. Do not start or
crank the engine with the AVIONICS power switch ‘on.’
To remove external power from airplane:
1. If battery power is no longer required, set BAT 1 switch ‘off.’
2. Pull external power source plug.
March 2010
Cirrus Design Section 8
SR22 Handling, Servicing, and Maintenance
Information Manual 8-11
Towing
The airplane may be moved on the ground by the use of the nose
wheel steering bar that is stowed in the rear baggage compartment or
by power equipment that will not damage or excessively strain the
nose gear assembly. The steering bar is engaged by inserting it into
lugs just forward of the nose wheel axle.
• Caution •
While pushing the aircraft backward, the tow bar must be
installed to keep the nose wheel from turning abruptly.
Do not use the vertical or horizontal control surfaces or
stabilizers to move the airplane. If a tow bar is not available,
use the wing roots as push points.
Do not push or pull on control surfaces or propeller to
maneuver the airplane.
Do not tow the airplane when the main gear is obstructed with
mud or snow.
If the airplane is to be towed by vehicle, do not turn the nose
wheel more than 90 degrees either side of center or structural
damage to the nose gear could result.
1. Refer to Section 1, General, Airplane Three View and Turning
Radius figures for clearances. Be especially cognizant of hangar
door clearances.
2. Insert tow bar into the lugs just forward of the nose wheel axle.
3. Release parking brake and remove chocks
4. Move airplane to desired location.
5. Install chocks
6. Remove tow bar.
To obtain a minimum radius turn during ground handling, the airplane
may be rotated around either main landing gear by pressing down on a
fuselage just forward of the horizontal stabilizer to raise the nosewheel
off the ground.
March 2010
8-12 Information Manual
Section 8 Cirrus Design
Handling, Servicing, and Maintenance SR22
Taxiing
Before attempting to taxi the airplane, ground personnel should be
instructed and authorized by the owner to taxi the airplane. Instruction
should include engine starting and shutdown procedures in addition to
taxi and steering techniques.
• Caution •
Verify that taxi and propeller wash areas are clear before
beginning taxi.
Do not operate the engine at high RPM when running up or
taxiing over ground containing loose stones, gravel, or any
loose material that may cause damage to the propeller blades.
Taxi with minimum power needed for forward movement.
Excessive braking may result in overheated or damaged
brakes.
1. Remove chocks.
2. Start engine in accordance with Starting Engine procedure.
3. Release parking brake.
4. Advance throttle to initiate taxi. Immediately after initiating taxi,
apply the brakes to determine their effectiveness. During taxiing,
use differential braking to make slight turns to ascertain steering
effectiveness.
• Caution •
Observe wing clearance when taxiing near buildings or other
stationary objects. If possible, station an observer outside the
airplane.
Avoid holes and ruts when taxiing over uneven ground.
5. Taxi airplane to desired location.
6. Shut down airplane and install chocks and tie-downs in
accordance with Shutdown procedure.
March 2010
Cirrus Design Section 8
SR22 Handling, Servicing, and Maintenance
Information Manual 8-13
　
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