If there is a problem with the fuel system of the diesel generator set, it will not only seriously affect the working efficiency of the diesel generator set, but also cause waste of air consumption. Therefore, the fuel system is needed daily, and most diesel generator sets are used for safety reasons. When there is an air leakage problem, it will cause poor startup or failure to work normally. For this problem, the following treatment methods are mainly adopted:

     Low-pressure fuel pipe air exhaust method: loosen the bleed screw plug on the fuel injection pump, press the hand pump of the fuel delivery pump until the diesel overflows without bubbles, then tighten the screw plug and tighten the hand pump.

     High-pressure oil pipe air discharge method: loosen the high-pressure oil pipe joints of the fuel injection pump one by one, start the diesel engine until the oil is discharged from each cylinder, and then tighten the high-pressure oil pipe joints.

     If the Cummins diesel engine is used, because its oil circuit exhaust air method is different from other diesel engines, when the Cummins diesel engine fuel system has problems, it is necessary to consult the relevant after-sales technicians in time.

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