Cirrus DESIGN SR20 - Page 279

Cirrus Design Section 8
SR20 Handling, Servicing, and Maintenance
P/N 11934-004 8-19
sooner under unfavorable operating conditions. The following grades
are recommended for the specified temperatures at sea level (SL):
An oil filler cap and dipstick are located at the left rear of the engine
and are accessible through an access door on the top left side of the
engine cowling. The engine should not be operated with less than six
quarts of oil. Seven quarts (dipstick indication) is recommended for
extended flights.
To check and add oil:
1. Open access door on upper left-hand side of cowl. Pull dipstick
and verify oil level.
2. If oil level is below 6 quarts (5.7 liters), remove filler cap and add
oil through filler as required to reach 6-8 quarts (5.7-7.6 liters).
3. Verify oil level and install dipstick and filler cap.
4. Close and secure access panel.
Approved Oils
For the first 25 hours of operation (on a new or rebuilt engine) or until
oil consumption stabilizes, use only straight mineral oil conforming to
Mil-L-6082. If engine oil must be added to the factory installed oil, add
only MIL-L-6082 straight mineral oil.
After 25 hours of operation and after oil consumption has stabilized,
use only aviation lubricating oils conforming to Teledyne Continental
Motors (TCM) Specification MHS24, Lubricating Oil, Ashless
Dispersant, or TCM Specification MHS25, Synthetic Lubrication Oil.
Ambient Air Temperature (SL) Single Viscosity Multi-Viscosity
All Temperatures -— 20W-60
20W-50
15W-50
Below 40°F SAE 30 10W-30
20W-60
20W-50
15W-50
Above 40°F SAE 50 20W-60
20W-50
15W-50
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