In winter, diesel generator sets are faced with a harsher operating environment. Natural factors such as low temperatures, ice and snow, and cold wind may pose hazards to the safe and efficient operation of diesel generators. How to maintain the gensets in winter? Today, Dingbo Power will share several tips for preventive maintenance of diesel generators in cold winter.
Fuel system maintenance
Diesel fuel: Compared to gasoline, diesel fuel is highly sensitive to cold temperatures. In cold climates, diesel fuel becomes more viscous and starts to gel as temperatures drop. Thus, you can use a diesel fuel supplement to stop the diesel from causing blockages that prevent your generator from running. Or use a proper diesel fuel type to prevent this from happening.
Clean or replace the fuel filters regularly: The impurities and moisture content in diesel may increase in winter, which will accelerate the blockages of the fuel filter. Therefore, the fuel filters should be cleaned or replaced regularly to ensure the cleanliness of the fuel and prevent poor fuel supply or engine wear caused by fuel impurities.
Check the fuel heating device: For diesel generators equipped with fuel heating devices, check the working state of the heating devices to ensure that they can start and operate normally in a low temperature environment. Meanwhile, it is also necessary to check the temperature control system of the heating device to prevent damage to the fuel system due to excessive temperature.
Cooling system maintenance
Select proper coolant: In cold weather, your diesel engine’s first line of defense is the coolant itself. Select a coolant type that is suitable for a low temperature environment to prevent the coolant from freezing and causing damage to the cooling system. In the meantime, check the coolant concentration and freezing point regularly to ensure that it meets the requirements of operation in winter. For the coolant that has been used for a period of time, replace it in time to prevent the cooling effect from being affected due to deteriorating coolant.
Clean the cooling system: You should clean the cooling system before winter comes. Remove impurities such as scale and rust to improve the heat dissipation effect of the cooling system. When cleaning, use a special cleaning agent and follow the instructions to clean.
Cooling system heat preservation: For diesel generators placed in the open air, measures should be taken to insulate the cooling system to prevent the coolant from freezing in a low temperature environment. You can use insulation material to wrap cooling system pipes and radiators to reduce heat loss.
Lubrication system maintenance
Cold oil becomes sluggish and increases friction on moving parts. In winter, a lower-viscosity oil will be recommended to run your diesel generator in extremely cold temperatures. Check the viscosity, cleanliness and water content of the oil regularly. For the oil that has been used for a period of time, it should be replaced in time to prevent engine wear due to oil deterioration.
Clean or replace oil filter: Impurities and metal debris in the oil may increase in winter, which will accelerate the clogging of the oil filters. Thus, You should clean or replace the oil filters regularly to ensure the cleanliness of the oil and prevent engine wear caused by oil impurities.
Electrical system maintenance
Battery maintenance: In winter, the battery performance will be affected. So you should periodically check parameters such as the battery voltage, current and internal resistance to ensure the normal operation of the battery. Meanwhile, check the battery electrolyte density and liquid level. Batteries that have been used for a period of time should be charged or replaced in time.
Check starter motor: The load of the starting motor will increase in winter, so you should check the working state of the starting motor to ensure that it can start and operate normally in a low temperature environment. It is also necessary to check the transmission device and bearings and other parts of the starting motor to prevent starting failure due to wear or damage.
Exhaust system maintenance
Exhaust pipe insulation: In winter, the water vapor in the exhaust pipe is easy to condense into ice, resulting in poor exhaust. Therefore, take measures to insulate the exhaust pipe to reduce the loss of heat and prevent water vapor from condensing into ice.
Clean air exhaust opening: In winter, the exhaust opening is easily blocked by ice and snow, resulting in poor exhaust. Thus, you should check the status of the exhaust opening regularly. Clean up ice and debris in time and ensure the smooth flow of the exhaust system.
Scientific preventive maintenance can ensure the safe and efficient operation of diesel generator sets in winter. You can follow the tips mentioned above to maintain your generator in winter and ensure optimal performance. Feel free to contact us with any questions, concerns, or inquiries to learn more about the products & services we provide.
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