[汽车修理知识]Six Steps to Car Air Conditioning Maintenance

correctCar Air ConditionerMaintenance can increase the service life of the air conditioner and keep the air conditioning system in good working condition. Especially in summer, the maintenance and maintenance of the air conditioner should be mastered by the driver's friends.

1. CheckcompressorbeltIs it good? If the belt surface is bright on the contact side of the pulley groove, and there is a "squeaking" noise when starting the air conditioner, it means that the belt slips seriously and the belt and pulley should be replaced; if the belt is too loose, it should be adjusted, otherwise it will cause poor cooling of the air conditioning system. TD>

2. Check the air conditioning system hoses and pipe joints for oil stains. If any leakage is found, consult the maintenance department for solutions in time.

3. Clean oftenCondenser.Some car owners tend to face the water pipe when using the air conditioner in summerCondenserIt is quite correct to perform a flush.BecausecarThe cleaning of the surface of the condenser facilitates the dissipation of heat to the outside, and regular cleaning of the surface of the condenser can greatly improve the cooling effect of the air conditioning system.

4. Regularly check whether the liquid level of the refrigerant in the air-conditioning system is normal. There are several ways to check the liquid level, but the most common and simplest method is to use the peephole (observation window) of the dryer. The glass peephole is usually installed on the cover of the dryer to run the engine and the air conditioning system, and observe the flow of refrigerant through the glass peephole. If the air conditioner is working properly, you should see the clear refrigerant constantly from the peephole It flows, and occasionally entrains some small bubbles at high temperatures, and small bubbles can be seen when the air conditioning system is turned off.

5. Check if the refrigerant is sufficient. It can be measured by sensing the temperature difference between the inlet and outlet pipes of the dryer, or can be detected by a manifold pressure gauge.

6. Frequently clean the air outlet and the dust and dirt in the cab. This not only helps the beauty of the car, but also benefits the health of the driver and passengers.Zhang Yimin

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