Textron Cessna C172S PIM, Pilot Operating Handbook

Page: 27 / 322

CESSNA SECTION 1
MODEL 172S NAV III GENERAL
GFC 700 AFCS
U.S.
DESCRIPTIVE DATA
(Continued)
OIL
OIL SPECIFICATION
MIL-L-6082 or SAE J1966 Aviation Grade Straight Mineral Oil: Used
when the airplane was delivered from the factory and should be used to
replenish the supply during the first 25 hours. This oil should be drained
and the filter changed after the first 25 hours of operation. Refill the
engine with MIL-L-6082 or SAE J1966 Aviation Grade Straight Mineral
Oil and continue to use until a total of 50 hours has accumulated or oil
consumption has stabilized.
MIL-L-22851 or SAE J1899 Aviation Grade Ashless Dispersant Oil: Oil
conforming to Textron Lycoming Service Instruction No 1014, and all
revisions and supplements thereto,
must be used after first 50 hours
or oil consumption has stabilized.
Recommended viscosity for temperature range:
NOTE
When operating temperatures overlap, use the lighter
grade of oil.
OIL CAPACITY
Sump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 U.S. QUARTS
Total. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 U.S. QUARTS
(Continued Next Page)
Temperature
MIL-L-6082
or SAE J1966
Straight Mineral Oil
SAE Grade
MIL-L-22851
or SAE J1899
Ashless Dispersant Oil
SAE Grade
Above 27°C (80°F) 60 60
Above 16°C (60°F) 50 40 or 50
-1°C (30°F) to 32°C (90°F) 40 40
-18°C (0°F) to 21°C (70°F) 30 30, 40 or 20W-40
Below -12°C (10°F) 20 30 or 20W-30
-18°C (0°F) to 32°C (90°F) 20W-50 20W-50 or 15W-50
All Temperatures --- 15W-50 or 20W-50
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