CESSNA SECTION
7
MODEL 182T NAV Ill AIRPLANE AND SYSTEMS DESCRIPTION
FUEL SYSTEM
(Continued)
FUEL INDICATING SYSTEM
(Continued)
The fuel quantity indicators detect low fuel conditions and incorrect
sensor outputs. When fuel quantity is less than 8 gallons indicated
(and remains less than this level for more than
60
seconds), LOW
FUEL L (left) and or LOW FUEL
R (right) will be displayed in amber
on the PFD and a tone will sound. The fuel quantity indicator
pointer(s) and indicator label will change from white to steady
amber. When fuel quantity reaches the calibrated usable fuel empty
level, the LOW FUEL
L
and or LOW FUEL
R
remain amber and the
indicator
pointer(s) and label change to flashing red.
NOTE
Takeoff is not recommended if both fuel tank
pointers are in the yellow arc range
andlor any LOW
FUEL annunciator is on.
In addition to low fuel annunciation, the warning logic is designed to
report failures with each transmitter caused by short or open circuit
conditions. If the circuit detects any one of these conditions, the
affected fuel indicator will display a red
"Xu.
A red
X
through the top
part of the indicator indicates a sensor failure in the left tank. A red
X
through the bottom part of the indicator indicates a sensor failure
in the right tank.
Fuel flow is measured by use of a turbine type transducer mounted
on the centerline of the engine between the
fuellair contol unit and
the fuel distribution unit. This flow meter produces a digital signal
that is displayed as the rate of fuel flow on the FFLOW GPH
indicator on the EIS pages. FFLOW GPH is either a horizontal
analog indicator or a digital value, depending on the active EIS
page. For fuel consumption information, a fuel totalizer function is
provided on the SYSTEM EIS page as GAL USED. This digital
indicator shows total fuel used since last reset of the totalizer. To
reset the fuel totalizer, the system EIS page must be active and the
softkey RST USED must be selected. The fuel totalizer provides no
indication of the amount of fuel remaining in each tank, and should
only be used in conjunction with other fuel management procedures
to estimate total fuel remaining.
(Continued Next Page)
U.S.
7-41
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