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Deformation of Diesel Generator Set Filter

Oct. 14, 2023

During the test run of the diesel generator set after major maintenance, it was found that the lubricating oil pressure was low under both rapid and full speed operating conditions. When adjusting the oil pressure regulating valve, the pressure did not change much. What is the cause of this abnormality?


diesel generator set


Due to the inspection and careful cleaning of the oil pump, radiator, oil filter, oil cooler, and oil passages during the overhaul of the diesel generator set, tests were also conducted on the bypass valve, pressure regulating valve, and thermostat, all of which were functioning normally. Moreover, the fit spacing between connecting rod bearing shells and journal components is also within the tolerance range, so the faults of the above components are basically eliminated. After checking the engine oil pressure sensor and pressure gauge, and tightening the wiring, the fault was not resolved during the startup inspection. However, it was found that the lubricating oil gushed out less at the connection between the engine oil pressure sensor and the engine body after it was loosened. Therefore, the fault may be due to insufficient oil suction from the oil pump or severe leakage in the lubricating oil duct.


Based on the above analysis, first inspect the diesel generator set filter. After removing the oil pan and taking out the filter, it was found that the filter screen was flattened, and the corresponding parts of the oil pan and filter screen were severely deformed. This is obviously due to the collision of the oil pan and the depression caused by the lifting machine. After the filter screen was deformed, the oil pump sucked in too little oil, resulting in low lubricating oil pressure.


In summary, it is recommended to replace the filter screen of the diesel generator set for Dingbo Power Generation Equipment, and eliminate the fault by flattening the oil pan.


Jiangsu Dingbo Power Generation Equipment Co., Ltd. has been established for many years. In addition to strict requirements on the quality of diesel generator set products and after-sales service, it also has strict regulations on the plant environment, production equipment and supporting facilities, which reflects the strict style of Dingbo people. It is not only responsible for generator products, customers, but also employees, so that every employee of Dingbo Power generation equipment can work in a comfortable environment, Make it comfortable for every visiting customer to visit. Dingbo Power Group, relying on high-quality generators, generator sets, diesel generator, diesel generator sets, good services and the care of friends from all walks of life, carries forward the enterprise spirit of "pragmatic innovation, pioneering, unity and hard work, dare to be the first", and adheres to the enterprise style of "treating people with sincerity and heart to heart", has won the strong support of customers in the fields of post and telecommunications, finance, petrochemical, metallurgy, transportation, education, medical care, etc, Having a proud performance. Dingbo people are gradually moving towards economies of scale and entering the international market after joining the WTO with flexible sales strategies and relying on the company's advantages and strength. If you would like to get more information welcome to contact us via sales@dieselgeneratortech.com.

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