Garmin Diamond DA40, Maintenance Manual

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Page 4-10 G1000/DA40 System Maintenance Manual
Revision 6 190-00303-03
16. Record ‘5 gallon’ CAL VAL indications for both Right 1 and Left 1 Sub-Tanks in the tables
above. The CAL VAL values should fall between 4 and 6 gallons as shown in the following
examples:
a) If both CAL VAL values fall within the specified ranges, the calibration is finished.
b) If any CAL VAL value is outside of the specified ranges, perform the full-tank calibration
procedure in Section 4.7.1.
4.7.1 Full Tank Calibration
Perform this procedure ONLY if the preliminary calibration failed. Only the failed tank(s) need to be
calibrated at full fuel level.
1. Fill the failed fuel tank(s) to maximum capacity.
2. Allow system to stabilize.
3. Ensure that the CAL VAL indication for the failed tank is stable before proceeding.
4. If the right tank failed, press the R FULL softkey. Likewise, if the left tank failed, press the
L FULL softkey.
5. Drain the failed fuel tank(s).
6. Add 0.5 gallons (unusable fuel) to the failed tank(s).
7. Observe the CAL VAL indications for the failed tank(s) and record the readings in the following
tables. The CAL VAL values should fall between –1 and 0 for the failed tank(s).
FAILED LEFT 1 SUB-TANK
Calibrated Value (CAL VAL) Range Actual
Useable
Fuel
Minimum Allowed
Indication
Maximum Allowed
Indication
Record Actual Indicated
CAL VAL
Here
Is CAL VAL Within
Specified Range?
Yes / No
0 -1 0
5 4 6
FAILED RIGHT 1 SUB-TANK
Calibrated Value (CAL VAL) Range Actual
Useable
Fuel
Minimum Allowed
Indication
Maximum Allowed
Indication
Record Actual Indicated
CAL VAL
Here
Is CAL VAL Within
Specified Range?
Yes / No
0 -1 0
5 4 6
8. Fill the failed fuel tank(s) with 5 gallons ± 0.1 gallons usable fuel.
9. Allow the system to stabilize before taking readings.
10. Record ‘5 gallon’ CAL VAL indications for the failed tank(s) in the tables above.
a) If the CAL VAL value(s) fall within the specified ranges, the calibration is finished.