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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 Section 6, Airplane
Weighing Procedures and Section 6, Figure 6-2, for illustration.
March 2010
Information Manual 8-15
Cirrus Design Section 8
SR20 Handling, Servicing, Maintenance
Jacking
Two jacking points are provided: one at each wing tiedown. Jack points
(pads) 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 tail tiedown.
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.
1. Position airplane on a hard, flat, level surface.
2. Remove tiedown rings from wings. Stow tie-down rings in
baggage compartment.
3. Attach a weighted tailstand to the tail tiedown ring.
4. Position jacks and jack points (pads) for jacking. Insert jack point
(pad) into wing tiedown receptacle. Holding the jack point (pad) in
place, position the jack under the point and raise the jack to firmly
contact the jack point. Repeat for opposite jacking point.
5. Raise the airplane keeping the airplane as level as possible.
6. Secure jack locks.
Lower Airplane
1. Release pressure on all jacks as simultaneously as necessary to
keep airplane as level as possible.
2. Remove jacks, jack points (pads), and tailstand. Stow points in
baggage compartment. Install tiedown rings in wings.
March 2010
8-16 Information Manual
Section 8 Cirrus Design
Handling, Servicing, Maintenance SR20
Servicing
Landing Gear Servicing
The main landing gear wheel assemblies use 15 x 6.00 x 6, six-ply
rating tires and tubes. The nose wheel assembly uses a 5.00 x 5 fourply
rating, type III tire and tube. Always keep tires inflated to the rated
pressure to obtain optimum performance and maximum service. The
landing gear struts do not require servicing. With the exception of
replenishing brake fluid, wheel and brake servicing must be
accomplished in accordance with Airplane Maintenance Manual
(AMM) procedures.
Brake Servicing
Brake Replenishing
The brake system is filled with MIL-H-5606 hydraulic brake fluid. The
fluid level should be checked at every oil change and at the annual/
100-hour inspection, replenishing the system when necessary. The
brake reservoir is located on the right side of the battery support
frame. If the entire system must be refilled, refer to the Airplane
Maintenance Manual (AMM).
To replenish brake fluid:
1. Chock tires and release parking brake.
2. Remove top engine cowling to gain access to hydraulic fluid
reservoir.
3. Clean reservoir cap and area around cap before opening reservoir
cap.
4. Remove cap and add MIL-H-5606 hydraulic fluid as necessary to
fill reservoir.
5. Install cap, inspect area for leaks, and then install and secure
engine cowling.
Brake Inspection
The brake assemblies and linings should be checked at every oil
change (50 hours) for general condition, evidence of overheating, and
deterioration. Serials 1005 thru 2030 before SB 2X-05-01: At every
annual/100-hour inspection the brakes should be disassembled, the
brake linings should be checked and the O-rings replaced.
March 2010
Information Manual 8-17
Cirrus Design Section 8
SR20 Handling, Servicing, Maintenance
The aircraft should not be operated with overheated, damaged, or
leaking brakes. Conditions include, but are not limited to:
• Leaking brake fluid at the caliper. This can be observed by
checking for evidence of fluid on the ground or deposited on the
underside of the wheel fairing. Wipe the underside of the fairing
with a clean, white cloth and inspect for red colored fluid
residue.
• Overheated components, indicated by discoloration or warping
of the disk rotor. Excessive heat can cause the caliper
components to discolor or cause yellowing of the part
identification label.
To inspect the brake assemblies:
1. Remove main gear fairing. (Refer to AMM 32-10)
　
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