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Inspection and adjustment method for uneven fuel supply of diesel generator

If the fuel supply of each cylinder of the diesel generator is uneven (for example, the fuel supply of some cylinders is too large, and the fuel supply of some cylinders is too small), it will directly affect the stability of the diesel generator. The fuel injection pump can be removed for inspection and adjustment on the test bench. However, if there is no test bench and an uneven fuel supply inspection is necessary, a rough inspection of the fuel supply of the suspected cylinder can also be carried out on the vehicle.

Inspection and adjustment method for uneven fuel supply:
①Prepare two glass measuring cylinders for later use. If you cannot find the measuring cylinder for a while, you can also use two identical vials instead.
②Remove the high-pressure oil pipe joint that connects the fuel injector to the cylinder with too much fuel supply (or too little).
③Remove the high-pressure pipe joint that connects the fuel injector to the cylinder with the normal fuel supply.
④Insert the ends of the two oil pipes into two measuring cylinders (or vials) respectively.
⑤Use the starter and diesel generator to rotate the fuel injection pump to pump oil.
⑥When there is a certain amount of diesel in the graduated cylinder (or vial), place the graduated cylinder on the water platform and compare the amount of oil to determine whether the fuel supply is too large or too small. If a vial is used instead, it can be weighed and compared.


Post time: Mar-03-2021

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