< p> has arrived in summer, air conditioning has become a indispensable configuration while driving.
But the driver of a lot of friends will find air conditioning is not cold, in the process of driving effect on driving experience, why suddenly so good carry of the air conditioning not refrigeration?
Some owners added refrigerants can not solve, appear such circumstance, the following equipment is the check.
< / p> < p> < / p> < p> air conditioning refrigeration
effect is poor, cold wind blow out less, go first to check the air filter.
Most models of air-conditioning filter arrangement in the co-pilot handrails box, need to remove the four card buckle can remove the air filter, also have arrangement in the engine cabin near the passenger side of the bottom of the front windshield.
If air conditioner filter serious congestion, need to be replaced;
If the surface dust too much, you can use compressed air blowing off the dust.
< / p> < p> < / p> < p> if air conditioning refrigeration effect is poor because of the condenser surface dirt, you need to clean the condenser.
Condenser plot generally use water cannons, that is, washing with water cannon, due to the condenser cooling material is aluminum material quality of a material soft, so particular attention should be paid when cleaning the surface of the condenser.
< / p> < p> a is pay attention to the nozzle pressure don't too much, it does not carefully;
< / p> < p> second, pay attention to the jet Angle, should first observe the condenser cooling fin Angle, the jet Angle is consistent with the fin Angle.
Bear in mind that the above two considerations, otherwise it will damage the radiator, consequences do more harm than good.
< / p> < p> third, monitor the performance of the refrigerant leakage and compressor parts;
< / p> < p> < / p> < p> refrigerant leakage inspection is also very simple, first observed a pipeline joints, especially prone to refrigerant leakage between rubber and metal pipe (
Can use the bubble method for inspection)
Check the rubber pipe, and the other for aging, crackle refrigerant leakage is also easy to happen.
, of course, the most accurate method is to use fluorescent method, the fluorescent powder filling the pipe line of refrigeration system, press the A/C switch caused refrigeration cycle to work, to observe with ultraviolet lamp, if there is leakage, will under the action of ultraviolet light-emitting phosphors.
Found refrigerant leakage must troubleshoot again filling refrigerant, otherwise is a waste of money.
< / p> < p> < / p> < p> in addition, the method of observation can be used for checking the compressor and the cooling fan, turn on A/C switch, observe whether the compressor is off work, in the vehicle temperature reaches above 90 ℃, the cooling fan is off work, these checks are relatively simple.
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