1Drain water too early or do not release cooling water during shutdown

Run at idle speed before turning off the engine, and wait for the cooling water temperature to decrease60Below ℃,

If the water is not hot, turn off the engine and drain the water. If the cooling water is drained too early, the body will suddenly shrink and crack when exposed to cold air at high temperatures. When draining water, the remaining water in the body should be drained to prevent it from freezing and expanding, causing the body to crack.

2Choose fuel randomly

The low temperature in winter reduces the fluidity and viscosity of diesel, making it difficult to spray,

Causing poor atomization, deterioration of combustion, and a decrease in the power and economic performance of diesel engines. Therefore, in winter, light diesel with low pour point and good ignition performance should be selected.

3Start with open flame to assist combustion

The air filter cannot be removed. It should be made by dipping cotton yarn in diesel and igniting it

Place the ignition material inside the intake pipe to initiate combustion assistance. In this way, during the start-up process, the dust laden air from the outside will be directly sucked into the cylinder without filtering, causing abnormal wear of parts such as pistons and cylinders, and also causing rough operation of the diesel engine, damaging the machine.

4Bake the oil pan with an open flame

To prevent the oil in the oil pan from deteriorating, even burning, and improving lubrication performance

Reduce or * lose, thereby exacerbating machine wear and tear. Low pour point engine oil should be selected in winter, and the method of using an external water bath to heat the engine oil can be used to increase the temperature during startup.

5Improper startup method

Some users often use waterless technology to quickly start diesel engines

Abnormal startup method of starting first and then adding cooling water. This practice will cause serious damage to the machine and should be prohibited from use.

6Low temperature load operation

After the diesel engine starts and catches fire, some drivers are eager to immediately put the load into operation

Homework. A diesel engine that has just caught fire, due to the low body temperature and high oil viscosity, is not easily filled into the friction surface of the moving pair, which can cause serious wear and tear of the machine. In addition, plunger springs, valve springs, and injector springs are also prone to breakage due to their "cold brittleness". Therefore, after the diesel engine starts and catches fire in winter, it should idle at low to medium speed for a few minutes until the cooling water temperature reaches60At ℃, resume load operation.

7Do not neglect the insulation of the body

The low temperature in winter can easily cause excessive cooling of diesel engines during operation. Therefore, insulation

The key to using a diesel engine well in winter. In northern regions, diesel engines used in winter should be equipped with insulation sleeves and curtains to prevent cold.