Cirrus Design Section 8
SR20 Handling, Servicing, and Maintenance
P/N 11934-004 8-17
• 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)
2. Wipe off any debris from brake caliper assembly that may obstruct
inspection.
3. Check brake linings for deterioration and maximum permissible
wear. Replace lining when worn to 0.100 inch (2.54 mm).
4. Inspect temperature indicator(s):
Serials 1005 thru 2030 before SB 2X-05-01:
a. Clean and inspect temperature indicator installed to piston
housing. If indicator center is black, the brake assembly has
been overheated. The brake linings must be inspected and the
O-rings replaced.
Serials 1005 thru 2030 after SB 2X-05-01:
a. Clean and inspect temperature indicators installed to brake
caliper assembly.
b. Verify temperature indicators are firmly adhered to piston
housing.
c. If top temperature indicator is white or lower temperature
indicator is white, the brake assembly has not overheated. O-
ring replacement is not necessary. If either temperature
indicator is black, the brake assembly has overheated. The
brake linings must be inspected and the O-rings replaced.
5. Check brake assemblies for evidence of overheating and/or
deterioration.
6. Install main gear fairing. (Refer to AMM 32-10)
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