
Page 4-16 G1000 System Maintenance Manual – Diamond DA40/40F
Revision G 190-00545-01
4.6.2 Calibration Setup
These instructions are given in the event a fuel quantity probe is replaced or is in need of adjustment.
These procedures apply to both standard and long-range fuel tanks.
IMPORTANT!
During the completion of the Fuel Quantity Transducer Calibration ensure power is not
removed during the calibration process for at least 1 minute
after a calibration is
performed. It is possible if aircraft power is removed the calibration points will be lost.
NOTE
Throughout the next section of this document screen shots and examples are used to
illustrate the screens viewed during the calibration procedure. Although every effort has
been made to ensure accuracy of such examples, changes may occur. Always refer to
the data contained in the calibration procedure for actual values.
Only the LEFT tank is shown as examples.
NOTE
The extended range fuel tank FULL calibration point is slightly different between the
LEFT tank and the RIGHT tank. The LEFT tank will display 20.95 GL and the RIGHT
tank will display 21.17 GL.
IMPORTANT!
If the aircraft fuel calibration configuration files were reloaded in 4.6.1, both the Left
hand and Right hand fuel tanks will require re-calibration. Re-calibration of both tanks
is only necessary the first time the calibration files are reloaded to upgrade to the
Calibration Table method of fuel calibration. Subsequent fuel probe replacements will
only require the replacement probe to be recalibrated.
1. Level the aircraft, following instructions in the DA40 Airplane Maintenance Manual.
2. Drain all fuel from the tanks, and set the fuel selector switch to the ‘OFF’ position.
NOTE
To achieve the required fuel quantity precision, it is recommended that the fuel
quantities be weighed with a calibrated scale. Fuel density of 6.00 lbs/gallon is
acceptable for purposes of this procedure.
3. Fill the fuel tank with 0.5 gallons (3 ±0.05 pounds) fuel (unusable fuel).
CAUTION
Use proper precautions when handling fuel. Ensure that the aircraft is grounded correctly
and that there is adequate ventilation.
4. Start the G1000 in normal mode. With the tanks filled only with unuseable fuel, verify the
presence of the amber L FUEL LOW and R FUEL LOW annunciations on the PFD.
5. Restart the PFD in configuration mode by pulling, then resetting, the PFD circuit breaker while
holding the ENT key.
6. On the MFD, press the ENGINE softkey to display the full page engine instrumentation.
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