Fuel injection pumps are also called high-pressure fuel pumps, which are widely used in diesel generators. The fuel injection pump, like the fuel injector, is an important part of the fuel system of a diesel generator and is often referred to as the "heart" of the engine.

The fuel injection pump raises the low pressure oil to a certain pressure, and then delivers it to the fuel injector through the high pressure fuel pipe to obtain a good spray quality. The fuel injection pump must also ensure that it starts supplying fuel at the specified and accurate time. The amount of oil supplied should also be adjusted appropriately according to the needs of the diesel engine. The fuel injection pump should also ensure that the fuel supply starts and ends quickly and simply to ensure that the fuel injector sprays normally.

If the fuel injection pump is not working properly, such as insufficient fuel supply pressure: it will cause the injector to fail to inject normally, the diesel engine will emit black smoke, the power will drop, and the fuel consumption will increase; the amount of fuel is uncontrollable: it will cause the diesel engine speed to fluctuate and fluctuate. ; Inaccurate supply time: it will cause the diesel engine to work abnormally or fail to work

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