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Diesel Generator Start-Up Guidelines & Delays

Aug. 12, 2025

The typical start-up time of a diesel generator set: From ignition to stable power generation, imported units take approximately 5-15 seconds, while domestic units range from 15-30 seconds.


75kw generator


Diesel engines exhibit high fuel consumption and increased component wear at low water temperatures. After starting, loads should be gradually increased, and normal loading is only allowed once the water temperature stabilizes. If automatic loading cannot control the load, connection should be delayed until the water temperature reaches at least 70°C.

 

Top 10 Causes of Prolonged Diesel Generator Start-Up:

1.Insufficient capacity of the starting battery.

 

2.Inadequate pre-start preheating.

 

3.Excessively low start-up throttle potentiometer in some electronically controlled diesel generator sets.

 

4.Operation in high-altitude areas with thin air.

 

5.Generator set operating in low-temperature conditions.

 

6.Use of incorrect fuel type or grade.

 

7.Presence of water in the fuel.

 

8.Air entrainment or fuel shortage in the fuel system.

 

9.Severe clogging of the fuel filter.

 

10.Severe blockage in the intake system.

 

Guangxi Dingbo Power Equipment Manufacturing 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 [email protected].

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