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Diesel Generator Set Oil Delivery Pump Coarse Filter Screen Failure

Sep. 01, 2023

Do you know how to troubleshoot the blockage of the coarse filter screen of the diesel generator set oil delivery pump? The coarse filter screen of the oil delivery pump of the diesel generator set is blocked, causing the problem of poor oil supply to the diesel generator set and troubleshooting. Today, we will give a brief introduction. If a container unloading forklift equipped with a diesel generator set is found, due to the diesel generator set working and stalling, it can only go and stop, resulting in a 20km journey of nearly 5 hours. So based on the fault phenomenon, we preliminarily determine that it is caused by a blockage in the fuel system of the diesel generator set.


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So loosen the vent plug on the fuel injection pump, and when using a hand pump to pump oil or a starter to drive the fuel delivery pump to work, the pressure and oil volume at the vent plug of the fuel injection pump are too small. Remove the oil inlet pipe of the fuel transfer pump and blow air into the tank. The fuel inside the tank makes a loud rumbling sound. Finally, inspect the oil inlet pipe joint of the fuel transfer pump and find that the copper filter screen inside is severely blocked. The diesel generator set used in container unloading forklifts is equipped with a coarse filter screen at the oil inlet of the oil pump. If maintenance is not carried out regularly or the diesel used is not clean, the oil sludge, gum, and other impurities at the filter screen will accumulate, causing blockages in the oil pipeline, causing the diesel generator set to not receive oil or to not receive oil smoothly.


Next, we will remove the hand oil pump, take out the copper filter screen and seat, clean it with diesel, and then burn off the resin on the filter screen with fire. After cleaning, we will install a retest machine, and the diesel generator set will resume normal operation.


Since 1982, Dingbo Generator has been a generator set manufacturer qualified by the "National Internal Combustion Engine Quality Supervision and Inspection Center". The product quality has passed the IS09001 quality system standard certification. And obtained the qualification certificate for self-operated import and export. Over the years, Dingbo units have been widely used in all walks of life, and have won the network access qualification of the Ministry of Information Industry, the network access qualification of the Ministry of Radio and Television, the network access qualification of CNPC, the network access qualification of China Mobile, and the manufacturing qualification of marine units. In 2016, Dingbo was awarded the Certificate of Qualified Supplier of China Nuclear Power Group. Dingbo Generator has been cooperating with Shangchai Power for many years. In 2009, it became the OEM partner of Shangchai Power in China. Dingbo generator VOLVO unit ranks the top three in the Asia-Pacific sales volume, and is the core OEM partner of Sweden Volvo in the Asia-Pacific region. If any question please feel free to visit our website https://www.dieselgeneratortech.com/ or send email to sales@dieselgeneratortech.com.

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