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Precautions for Adding Water to Diesel Generator Set

Jul. 14, 2023

Sometimes we need to be careful when adding water to the water tank of the diesel generator set. We need to pay attention not only to the purchase, but also to the details when using the diesel generator set, so as to avoid improper use affecting the life of the diesel generator set. Next, we will begin to understand the requirements of adding water to the water tank of the diesel generator set.

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1. Do not add well water or sewage. Water can be divided into two types based on whether it dissolves minerals: hard water and soft water. Hard water contains iron, calcium, and magnesium plasma. Untreated well water and spring water belong to hard water. If such hard water is added to the engine, it will produce compounds such as calcium carbonate and calcium sulfate after being heated and evaporated by the engine, which will precipitate and form scale. And scale, on the one hand, is a poor conductor of heat, and on the other hand, when scale increases to a certain extent, it will narrow the pipeline, reduce the flow of water, and affect engine heat dissipation, causing engine overheating. The sewage contains sediment and decaying organic matter, which can easily corrode the water tank and cylinder jacket, affecting their service life.

2. Don't ignore it, don't run out of water. When driving in hot weather, the evaporation of coolant in the water tank accelerates. It is important to always check the amount of coolant and observe the coolant temperature gauge. If the water tank is not fully filled, there is a problem with the coolant circulating inside the water jacket, and the water temperature can easily rise, causing "boiling". Some models have difficulty filling up when adding water, and their water tank is located lower than the engine. When adding water, the water inlet of the water tank shows that it is already full, but in reality, there is a shortage of water in the diesel engine water jacket.

3. Do not open the lid of the water tank when it is "boiling". Because the temperature inside the water tank is very high (at least 100 ℃) and the pressure is high when "boiling", suddenly opening the water tank cover will cause the boiling water and steam to spray out rapidly, which can easily scald the water dispenser. When "boiling" occurs, it is generally recommended to idle and wait for the engine temperature to drop before opening the cover and adding coolant. If time is tight, cover the water tank cover with a damp cloth first, then wrap your hands with a damp towel, and then slowly open the water tank cover. In addition, the speed of adding coolant should not be too fast and should be slowly added.

4. Do not spill water onto the engine when adding water. When adding water, if the water is sprayed on the spark plug socket, high-voltage line socket and distributor of the engine, it may affect the fire jump. If the water is splashed on the transmission belt, it may also cause it to slip. If the water is splashed on the engine body, it may also cause the engine body to deform or even crack.

Starlight Power was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. If you want get more information, please feel free to send email to sales@dieselgeneratortech.com we will pay highly attention on your question.

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