CESSNA SECTION 1
MODEL 172R GENERAL
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.
Revision 7 1-5
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