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Prevent Damage to The Fuel Injectors of Cummins Diesel Generator Sets

Aug. 05, 2021

One of the important components in the operation of Cummins diesel generator sets is the fuel injector. Although this component is small, once the fuel injector has a problem, the entire equipment may face downtime. So, how to prevent damage to the fuel injectors of Cummins diesel generator sets? Starlight believes that these points should be done well:

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First of all, we must start from the source. When assembling the injectors, workers must install the assembly standards to prevent improper assembly. Be careful when installing the heat-insulating sleeve of the fuel injector. It should not be too loose or too tight. If it is too loose, there will be a gap between the fuel injector and the heat-insulating sleeve. The heat insulation effect will be greatly reduced, which will easily lead to the fuel injector. And the heat shield are burned. If it is too tight, the injector will feel compressed. Under the combined action of the thermal alternating load and the high pressure load of the fuel injection, the nozzle head will be broken, the needle valve will be stuck and the oil will drip, so be sure to grasp it well.


Secondly, don't start the machine at idle speed for too long. Generally, when the Cummins diesel genset is started, it is best to run at idle speed for 10 minutes, especially when the weather is relatively cold, warm up the engine first, and then accelerate to 1500 rpm; when idling, the body is still relatively cold. If the pressure is low, the diesel will not burn completely, so it is easy to form carbon deposits, which will paste up the fuel injectors and cause blockages.


Finally, don't use low-quality diesel. Customers who use Cummins diesel generator sets should not be greedy for cheap diesel when they buy diesel. It is best to buy it at a regular place, because inferior diesel is not clean and may contain small particles, which will easily block the injectors and wear the injectors. The needle valve causes the engine to run unsteadily. The main symptoms are: black smoke is emitted and the body shakes badly. When these problems occur, the machine should be shut down for inspection.


In addition to the above three points, Starlight also needs to remind you that Cummins diesel generating set must pay attention to the oil usage before starting up. If the oil is insufficient when starting up, the temperature in the cylinder will be too high, which will also easily burn out the fuel injection. It can be seen that the inspection work before starting the unit is very critical.


Starlight Power has a management team with advanced consciousness, strong youth, and proficient business. It takes the establishment of a high-tech innovation enterprise as the starting point, adheres to "high starting point, high technology, and excellent service", actively gathers and absorbs advanced technology and products at home and abroad, and continuously monitors products. Renewal. In recent years, the company has extensively cooperated with Swedish Volvo, American Cummins, British Perkins, Korean DOOSAN, German MTU, Ricardo, Shanghai Diesel, Yuchai, Weichai, Jichai, Tongchai, Wudong and other companies, and become (OEM ) Supporting factories and technical centers have laid a solid foundation for opening up the international market. Starlight has advanced testing equipment, modern production technology, professional manufacturing technology, perfect quality management system, and strong technical research and development capabilities. It can provide 3KW~2500KW various specifications of ordinary, automatic, four protection, automatic switching, low noise and mobile generator sets, high quality and low energy consumption to meet the diverse power needs of customers, and can also meet users with different voltages and different frequencies. It is required to create a parallel power supply system for multiple units. For more information, welcome to send email to sales@dieselgeneratortech.com.

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