METHOD AND DEVICE FOR REFILLING AND CHECKING THE LEAK-TIGHTNESS OF A FUEL INJECTOR

摘要

A method for refilling an emptied hydraulic coupler of a fuel injector comprises the steps of: connecting a pressure generator to a return line of the fuel injector; operating the pressure generator in order to generate a return pressure in the return line; operating the fuel injector. The method can also include the step of monitoring the pressure level in the return line.