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Spring and summer handover, now is the season, there are many different emphasis on car maintenance. Everyone doing car maintenance this season, it is easy to overlook the maintenance of car air conditioning. In fact, the maintenance of automotive air conditioning is very important.
Why do we need to clean car air conditioners?
In the case of automotive air conditioners that start cooling or heating, the indoor air of the vehicle is used for repeated cycles. The components of the automobile's indoor air circulation system, such as evaporators, ventilation ducts, blowers, etc., work in the dark and humid environment for a long time, and will continuously accumulate. Dirt, easy to breed a large number of harmful bacteria, aphids and mold and other harmful microorganisms. When the indoor air circulation system of an automobile is in operation, some harmful germs and harmful microorganisms enter the automobile interior through the air outlet from the air outlet. The human body's respiratory system is equivalent to an air purifier. Over the long term, it will seriously affect the driver and the occupant. Physical and mental health.
The frequency of the use of car air conditioners in summer has also increased, and more attention should be paid to the cleanliness of air conditioners. Many owners also stated that after one year of air conditioning in the car, a lot of dust was deposited in the air-conditioning ducts, which could easily breed bacteria and produce musty smells. Therefore, the owner should develop the habit of cleaning the air conditioner of the car every year.
How to determine if the air conditioner should be cleaned If one of the following four conditions appears in your car, it means that your air conditioner should be cleaned.
One: The air conditioner has just been turned on. When the wind blowing out is not yet cooled, it smells like mildew and soot.
Second: When cooling or heating, the air blowing from the tuyere is not fresh, accompanied by sour smell or other strange taste;
Third, the cooling effect is declining, and there is still no improvement after replacement of the refrigerant, accompanied by an increase in vehicle fuel consumption.
Fourth, people in the car, nose, trachea, lungs feel unwell, or accompanied by cough, chest tightness and so on.
What steps need to be taken care of in car air conditioning maintenance?
A check of the compressor belt if the belt surface and the pulley groove contact side of the light, and start the air conditioning when there is "click" noise, indicating that the belt slipping serious, should replace the belt and the pulley; if the belt is too loose should be adjusted, otherwise easy to make air conditioning The system is poorly cooled.
Check the air conditioning system hose connector for oil stains. If leakage is found, go to the maintenance office to resolve it.
II. Cleaning the condenser When the air conditioner is used in summer, the hose is used to flush the condenser, because the surface of the automobile condenser is clean so that heat can be dissipated to the outside. Regularly cleaning the condenser surface can greatly improve the cooling effect of the air conditioning system.
Third, check the liquid level of the refrigerant Using the window of the dryer, you can check the refrigerant liquid level. The glass peephole is usually mounted on the lid of the dryer, running the engine and the air conditioning system, through the glass peephole to observe the flow of refrigerant. If the air conditioner is working properly, the clear frozen liquid can be seen flowing constantly from the peephole, and occasionally there are small air bubbles entrained at high temperatures, and small air bubbles can be seen when turning off the air conditioning system.
The four refrigerants should be sufficient to measure the temperature difference between the inlet and outlet lines of the dryer or through a manifold pressure gauge. Of course, these jobs need to rely on repair shops.
The master concluded: With a winter air conditioning is to consider cleaning. Because driving windows rarely drive in the winter, this will inevitably cause a large amount of bacteria to accumulate in the vehicle, especially in the spring, which will easily cause bacteria-induced diseases and adversely affect your physical and mental health. Therefore, the owner should perform a thorough cleaning of the air filter and its air duct.
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