Textron Cessna 172S Skyhawk SP, Information Manual

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SECTION 8
HANDLING, SERVICE & MAINTENANCE
FUEL
APPROVED FUEL GRADES (AND COLORS)
1OOLL'Grade Aviation Fuel (Blue).
100 Grade Aviation Fuel (Green).
NOTE
CESSNA
MODEL 172S
Isopropyl alcohol or diethylene glycol monomethyl ether
(DiEGME) may be added to the fuel supply in quantities not
to exceed 1% (alcohol) or 0.15% (DiEGME) of total volume.
Ref~r to Fuel Additives in later paragraphs for additional
information. •
FUEL CAPACITY
I
56.0 U.S, Gallons Total:
28.0 U.S. Gallons per tank.
NOTE
To ensure maximum fuel capacity when refueling and
minimize cross feeding, the fuel selector valve should be
placed in either the LEFT or RIGHT position and the
airplane parked in, a wings level, normal ground attitude.
Referto Figure 1-1 for a definition of normal ground attitude.
Service the fuel system after each flight, and keep fuel tanks
full to minimize condensation in the tanks.,
FUEL ADDITIVES.
Strict adherence to recommended preflight draining instructions
as called., for in Section 4 will eliminate any free water
accumulations from the tank sumps. While small amounts of water
may still remain in solution in the gasoline, it will normally be
consumed and go unnoticed in the operation of the engine.
8-16 May '30/00
)