Did you use the right antifreeze

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1, be sure to choose a well-known brand of regular products
Many people think that antifreeze can be used on the line, just buy some cheap inferior products to add to the machine. Some inferior products often cut corners in order to reduce costs, not only the performance will be greatly reduced, but also damage the machine. Therefore, the purchase of antifreeze must not be cheap, to choose big brand products.

2, choose the right freezing point
The freezing point is one of the most important performance parameters of an antifreeze, and the freezing point of the antifreeze on the market is mostly -25 ° C to -45 ° C. The freezing point of the antifreeze should be about 10 ° C lower than the lowest temperature in the area where the excavator is located, so as to achieve a better antifreeze effect.

3, choose the right boiling point
Boiling point is another important performance parameter of antifreeze, which can effectively prevent the engine from "boiling". Since the boiling point of the liquid decreases with the elevation, if the area where the excavator is located is at a higher altitude, an antifreeze with a higher boiling point should be selected.

4, do not mix antifreeze
"Don't mix" here not only refers to different brands, but also different labels. Different types of antifreeze even if the main composition is the same, the additive formula will be different, should not be mixed, so as to avoid chemical reaction, precipitation or bubbles, antifreeze performance will be greatly reduced, and then damage the machine. If you want to replace a different antifreeze, you should replace it completely at once, and clean the cooling system when you replace it.

5, antifreeze should be replaced regularly
Antifreeze in the use of a long time, its performance will decline, which is easy to lead to its poor heat dissipation effect, serious will lead to the tank "boiling", and the tank of the engine caused by the damage I believe that each friend is very clear. Water tank boiling is very dangerous, severe will lead to water pipe burst, antifreeze splash, thus damaging the engine, the general antifreeze replacement cycle is 1-2 years.

6, antifreeze should be used all year round
Some excavator masters think that since antifreeze is antifreeze, it can only be used when the weather is cold, in fact, this is not right. As mentioned earlier, the role of antifreeze is not only antifreeze, but also has the effect of increasing the boiling point and anti-corrosion. Antifreeze is not only for winter use, it should be used all year round, so as to maximize the protection of the excavator.

7, add antifreeze to pay attention to safety
Due to the toxicity of ethylene glycol, the main component of antifreeze, direct contact with the skin should be avoided when adding antifreeze. Ethylene glycol is not easy to volatilize, and the evaporation coefficient is much smaller than that of water, so there is generally no need to worry about the toxicity caused by the evaporation of antifreeze.

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