Fuel; Oil - Cessna 172S Nav III Information Manual

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SECTION 1 CESSNA „
GENERAL MODEL 172S NAV III
FUEL (Continued) ~~
NOTE
Isopropyl alcohol or diethylene glycol monomethyl
ether (DiEGME) may be added to the fuel supply.
Additive concentrations shall not exceed 1% for
isopropyl alcohol or 0.10% to 0.15% for DiEGME.
Refer to Section 8 for additional information.
Fuel Capacity:
Total Capacity: 56.0 U.S. gallons.
Total Usable: 53.0 U.S. gallons.
Total Capacity Each Tank: 28.0 U.S. gallons.
Total Usable Each Tank: 26.5 U.S. gallons.
NOTE
To ensure maximum fuel capacity and minimize
cross-feeding when refueling, always park the
airplane in a wings-level, normal ground attitude and
place the fuel selector in the Left or Right position.
Refer to Figure 1-1 for normal ground attitude
dimensions.
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 the latest revision and/or supplements to Textron
Lycoming Service Instruction No. 1014, must be used after first 50
hours or once oil consumption has stabilized.
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