194003923 - 1060OA LOW FUEL RETURN PRESSURE CIRCUIT CHECK
Connect the diagnostic equipment pressure transducer to the return pipe to the tank (1a).Press the START/STOP button.Within 30 seconds check that the pressure reading on the gauge is less than 1 bar.
 | The fuel pump in the tank should switch off after 30 seconds. |
 | Make sure that the taps and the adjustment screws at the side of the pressure gauge are open (except the ones on ducts not connected to the system). |