Cirrus SR20 - Servicing

8-16 P/N 21399-004
Section 8 Cirrus Design
Handling, Servicing, and Maintenance SR20
Servicing
Landing Gear Servicing
Serials 2016 thru 2240 before SB2X-32-21: The main landing gear
wheel assemblies use 15 x 6.00 x 6 tires and tubes. The nose wheel
assembly uses a 5.00 x 5 tire and tube.
Serials 2016 thru 2240 after SB2X-32-21, 2241 & subs: The main
landing gear wheel assemblies use 15 x 6.00 x 6 tubeless tires. The
nose wheel assembly uses a 5.00 x 5 tubeless tire.
All Serials: 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
AMM procedures.
Brake Servicing
Brake Replenishing
Serials 2016 thru 2240 before SB2X-32-21: The brake system is filled
with MIL-H-5606 hydraulic brake fluid.
Serials 2016 thru 2240 after SB2X-32-21, 2241 & subs: The brake
system is filled with MIL-PRF-87257 hydraulic brake fluid.
All Serials: 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
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 appropriate hydraulic fluid as necessary to
fill reservoir.
5. Install cap, inspect area for leaks, and then install and secure
engine cowling.
Revision A1