S
ECTION
7: A
IRPLANE
AND
S
YSTEMS
C
IRRUS
D
ESIGN
F
UEL
S
YSTEM
SR20
7-42
P/N 11934-005
Fuel Indicating
Fuel quantity is measured by float-type quantity sensors installed in each
fuel tank and displayed on the Fuel Quantity Gauge.
• CAUTION •
When the fuel tanks are 1/4 full or less, prolonged uncoordinated
flight such as slips or skids can uncover the fuel tank outlets.
Therefore, if operating with one fuel tank dry or if operating on
LEFT or RIGHT tank when 1/4 full or less, do not allow the
airplane to remain in uncoordinated flight for periods in excess of
30 seconds.
• N
OTE
•
A “Red X” through any electronic display field indicates the field
is not receiving valid data and is considered inoperative.
Fuel Quantity Gauge
A dual reading fuel quantity gauge is displayed on the Engine Strip along
the left edge of the MFD and in the Fuel Qty block of the ENGINE page. In
the case of an electronic display failure (backup mode), all essential fuel
information is displayed on the Engine Strip along the left edge of the PFD.
The LEFT pointer indicates left tank fuel quantity and sweeps a vertical bar
scale marked from 0 to 28 U.S. gallons in 5-gallon increments. The RIGHT
pointer sweeps an identical scale for the right tank. Each scale is marked
with a yellow band from 0 to 8.2 U.S. gallons and a green band from 8.2 to
28 U.S. gallons. The indicators are calibrated to read 0 gallons when no
usable fuel remains.
Fuel quantity is measured by a float type quantity sensors installed in the
fuel tanks. Fluid quantity information is sent to the Engine Airframe Unit,
processed, and transmitted to the analog electronic Fuel Quantity Gauge
and CAS window for display.
Fuel Flow
Fuel Flow is shown in the upper mid left corner of the Engine Strip as both
an analog electronic gauge and as a digital value. The gauge pointer sweeps
a scale range from 0 to 30 Gallons Per Hour (GPH). The fuel flow value is
displayed in white numerals below the gauge. Fuel flow is measured by a
transducer located on top of the engine, next to the aft baffle, between the
fuel servo and the distribution block.
The fuel flow signal is sent to the Engine Airframe Unit, processed, and
transmitted to the Engine Indicating System for display.
Reissue A
Содержание 2220
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