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Common Wrong Operation Methods of Diesel Generator Set Part 2

Aug. 02, 2021

Let's continue the introduce the common wrong operation methods of diesel generator set. The last few points need to be noted. Diesel generator sets are mechanical equipment that converts other forms of energy into electrical energy. They are driven by water turbines, steam turbines, diesel engines or other power machinery to burn water, airflow, fuel or nuclear fission. The generated energy is converted into mechanical energy and transmitted to the diesel generator set, and then converted into electrical energy by the diesel generator set. Diesel generator sets are widely used in industrial and agricultural production, national defense, science and technology and daily life.

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7. Run under the condition of low oil pressure

If the oil pressure is too low, the lubrication system cannot carry out normal oil circulation and pressure lubrication, and sufficient oil cannot be obtained at each lubrication part. Therefore, when the machine is running, pay attention to observe the oil pressure gauge or the oil pressure indicator light. If it is found that the oil pressure is lower than the specified pressure, stop immediately and continue driving after troubleshooting.

8. Speeding and overloading of the machine

If the machine is seriously overspeeding or overloading, the diesel generator set will run under the working condition of excessive load and high speed, which may cause rough work. The thermal load and mechanical load of cylinder liners, pistons, connecting rods, etc. will increase. Failures such as cylinder pulling, tile burning, etc. occurred. Frequent overload operation can cause long-term rough combustion in the cylinder and easily damage the cylinder head gasket.

9. Boom the throttle before stalling

If the high-speed diesel generator set suddenly stops running, its huge inertia will damage the crank connecting rod mechanism and the parts of the valve mechanism, and shorten the service life. At the same time, the fierce blast of the throttle is that fuel flows down the cylinder wall due to excessive fuel entering the cylinder to complete combustion, diluting the lubricating oil. In addition, carbon deposits in the piston, valve and combustion chamber will increase significantly, causing blockage of the fuel injector and piston jamming.

10. Suddenly add cooling water when the temperature of the diesel generator set is too high

If the cooling water is suddenly added when the diesel generator set is short of water and overheated, it will cause cracks in the cylinder head, cylinder liner, cylinder block, etc. due to drastic changes in cold and heat. Therefore, when the temperature of the diesel generator set is too high, the load should be removed first, the speed should be increased slightly, the diesel engine should be turned off after the water temperature drops, and the water radiator cover should be loosened to remove water vapor. If necessary, the water radiator can be slowly injected Cooling water.

11. Long-term idling operation

When the diesel genset is idling, the lubricating oil pressure is low, and the cooling effect of the oil injection on the top of the piston is poor, which causes a sharp increase in wear and easy cylinder pulling; it can also cause poor atomization, incomplete combustion, serious carbon deposits, and sometimes even valve and piston rings Stuck, cylinder liner cavitation. For this reason, some diesel generator set operating instructions clearly stipulate that the idling time of diesel generator set shall not exceed 15-20min.

Jiangsu Starlight Power Generation Equipment Co., Ltd. was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. The company has a registered capital of 218.88 million yuan. The company covers an area of 86,000 square meters and a building area of 55,000 square meters. There are more than 660 employees, including 456 professional technicians and 106 senior technicians. It has 46 sales and service outlets nationwide. The main products are diesel engines, generator sets, and diesel generators, providing users with a one-stop service of design, supply, debugging and maintenance at any time. Starlight has always insisted on using first-class talents, building first-class enterprises, manufacturing first-class products, creating first-class services, and making every effort to build a first-class domestic enterprise. 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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