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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.
June 2007
Information Manual 8-11
Cirrus Design Section 8
SR22 Handling, Servicing, Maintenance
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 Airplane Three View (Section 1, Figure 1-1) and Turning
Radius (Section 1, Figure 1-2) or 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.
June 2007
8-12 Information Manual
Section 8 Cirrus Design
Handling, Servicing, 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
(Section 4).
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 (Section 4).
June 2007
Information Manual 8-13
Cirrus Design Section 8
SR22 Handling, Servicing, Maintenance
Parking
The airplane should be parked to protect the airplane from weather
and to prevent it from becoming a hazard to other aircraft. The parking
brake may release or exert excessive pressure because of heat
buildup after heavy braking or during wide temperature swings.
Therefore, if the airplane is to be left unattended or is to be left
overnight, chock and tie down the airplane.
1. For parking, head airplane into the wind if possible.
2. Retract flaps.
3. Set parking brake by first applying brake pressure using the toe
brakes and then pulling the PARK BRAKE knob aft.
• Caution •
Care should be taken when setting overheated brakes or
during cold weather when accumulated moisture may freeze a
brake.
4. Chock both main gear wheels.
　
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