SECTION 8 CESSNA
AIRPLANE HANDLING, SERVICE MODEL 208B 867 SHP
AND MAINTENANCE GARMIN G1000
U.S.
FUEL (Continued)
FUEL ADDITIVES (Continued)
PROCEDURE FOR CHECKING FUEL ADDITIVES
Prolonged storage of the airplane will result in a water buildup in the
fuel which “leaches out” the additive. An indication of this is when an
excessive amount of water accumulates in the fuel tank sumps. The
concentration of additive can be checked using an anti-icing additive
concentration test kit. Refer to 208 Maintenance Manual, Chapter 12-
11-01, Fuel - Servicing, for additional information on the anti-icing
additive concentration test kit. It is imperative that the instructions for
the test kit be followed explicitly when checking the additive
concentration. The additive concentrations by volume for EGME/
DIEGME shall be 0.10% minimum and 0.15% maximum, either
individually or mixed in a common tank. Fuel, when added to the tank,
should have a minimum concentration of 0.10% by volume.
If the fuel additive concentration has fallen below
0.035% by volume, the airplane should be defueled and
refueled.
(Continued Next Page)
208BPHCUS-00
8-24
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