DG Flugzeugbau DG-800A, Руководство по обслуживанию, Страница: 98 / 163

Maintenance Manual DG-808C
Issued: June 2005 4.37
4.22 Calibration of the fuel display in the DEI-NT
(only necessary with replacement or repair of the DEI-NT)
1. Preparations:
Drain the fuselage tank using the built-in electrical fuel pump. Therefore
disconnect the fuel hose at the lower side of the mechanical fuel pump and
stick it into an appropriate can.
Switch on the ignition and wait until the tank is drained.
Note: To achieve maximum offset-accuracy it is necessary to keep the tank
filled until starting these preparations.
Levelling: Glider positioned with main wheel and tailwheel on a flat
surface.
2. Calibration procedure:
Change to the set up screen in the DEI-NT by pushing the selector knob
(right hand side) until the DEI-NT beeps twice for 2 times.
The following screens will appear: Flight log, Set up
Select the following menu point via the turning knob:
EMPTY TANK CALIB.(ration): Calibration of the fuel gauge with empty
tank. Push the selector knob, N will be displayed, rotate the selector knob,
Y will be displayed. Push the selector knob to execute the calibration.
Fill the tank completely and select the next menu point:
FULL TANK CALIB.(ration): Calibration of the fuel gauge with full tank.
Push the selector knob, N will be displayed, rotate the selector knob, Y will
be displayed. Push the selector knob to execute the calibration.
Push the selector knob until the DEI-NT beeps twice for 2 times to return
to the flight screen.
4.23 Further DEI-NT settings
Change to the set up screen in the DEI-NT by pushing the selector knob
(right hand side) until the DEI-NT beeps twice for 2 times.
The following screens will appear: Flight log, Set up
Select the menu point via the turning knob:
Calibration of the starter motor speed to turn the propeller into
retraction position
STARTER SPEED: % of the normal starter motor power to turn the
propeller into the position for retraction (ignition switched off) – standard
value 35%, adjustable between 0-49%.