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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.
5. Tie down airplane in accordance with tiedown procedure in this
section.
6. Install a Pitot head cover. Be sure to remove the Pitot head cover
before flight.
7. Cabin and baggage doors should be locked when the airplane is
unattended.
March 2010
8-14 Information Manual
Section 8 Cirrus Design
Handling, Servicing, and Maintenance SR22
Tiedown
The airplane should be moored for immovability, security and
protection. FAA Advisory Circular AC 20-35C, Tiedown Sense,
contains additional information regarding preparation for severe
weather, tiedown, and related information. The following procedures
should be used for the proper mooring of the airplane:
1. Head the airplane into the wind if possible.
2. Retract the flaps.
3. Chock the wheels.
4. Secure tie-down ropes to the wing tie-down rings and to the tail
ring at approximately 45-degree angles to the ground. When using
rope or non-synthetic material, leave sufficient slack to avoid
damage to the airplane should the ropes contract.
• Caution •
Anchor points for wing tiedowns should not be more than 18
feet apart to prevent eyebolt damage in heavy winds.
Use bowline knots, square knots, or locked slipknots. Do not
use plain slipknots.
Leveling
The airplane is leveled longitudinally by means of a spirit level placed
on the pilot door sill and laterally by means of a spirit level placed
across the door sills. Alternately, sight the forward and aft tool holes
along waterline 95.9 to level airplane. Refer to AMM Section 6,
Airplane Weighing Procedures for illustration.
Jacking
Three jacking points, located at each wing tiedown and tail tiedown,
are provided to perform maintenance operations. Tie-down rings must
be removed and replaced with jack points prior to lifting. Jack points
are stowed in the baggage compartment. The airplane may be jacked
using two standard aircraft hydraulic jacks at the wing jacking points
and a weighted tailstand attached to the aft tail tiedown. Refer to AMM
Section 7, Airplane Lifting Procedures for list of required tools and for
illustration.
March 2010
Cirrus Design Section 8
SR22 Handling, Servicing, and Maintenance
Information Manual 8-15
Raise Airplane
• Caution •
Do not jack the aircraft outside or in open hangar with winds in
excess of 10 mph.
The empty CG is forward of the wing jacking points. To prevent
airplane from tipping forward during maintenance or jacking,
use a weighted tailstand (300-lb minimum) attached to the tail
tiedown.
Jacks must be used in pairs. Do not attempt to jack only one
side of aircraft. Keep the airplane as level as possible when
jacking.
1. Position airplane on a hard, flat, level surface.
2. Remove main gear fairings. (Refer to AMM 32-10)
3. Remove and stow tie-down rings from wings.
4. Attach a weighted tailstand to tail tiedown ring.
5. Position jacks and jack points for jacking. Insert jack point into
wing tiedown receptacle. Holding the jack point in place, position
the jack under the point and raise the jack to firmly contact the jack
point. Repeat for opposite jacking point.
6. Raise airplane no more than required for maintenance being
performed.
7. Raise the airplane keeping the airplane as level as possible.
8. Secure jack locks.
Lower Airplane
1. Release pressure on all jacks simultaneously to keep airplane as
level as possible.
2. Remove jacks, jack points, and tailstand. Stow points in baggage
compartment.
3. Install tiedown rings.
4. Install main gear fairings. (Refer to AMM 32-10)
March 2010
8-16 Information Manual
Section 8 Cirrus Design
Handling, Servicing, and Maintenance SR22
Servicing
Landing Gear Servicing
The main landing gear wheel assemblies use 15 x 6.00 x 6, six-ply
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西锐20飞机信息手册 SR22 AIRPLANE INFORMATION MANUAL 2979(87)
