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News Details |
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空调系统的五大问题
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When summer comes, the use of air conditioning is indispensable. At present, the owner of the car air-conditioning maintenance awareness is not very strong, just use, did not consider the air-conditioning maintenance methods, in the long run easily lead to air conditioning problems. So, what are the problems with the air-conditioning system?
1 、 clean water tank and condenser
The water tank and the condenser is an important component of vehicle cooling system and air conditioning, with long time use of vehicles, like dust, sand, etc. the gap between the two will be mixed in catkins in which will affect the performance of the water temperature and air conditioning.
2. Check the air conditioner pressure and change the refrigerant
First of all, check (H) is the high pressure detection tube and (L) is the low pressure detection tube, respectively connected to the fluorine pressure test table, fluorine pressure gauge connection is completed, the vehicle ignition, idle start. At this time the air-conditioning switch will open, the air conditioning system to the maximum starting test, idle state pressure detection should not exceed 300 high pressure, idle state low pressure should not exceed 60.
After idling for a few minutes, observe the pressure change of the pressure gauge by increasing the speed of the oil supply, and check the operation of the air conditioning compressor. Then remove the original refrigerant (134a), the weight is generally between 250g-300g, received pressure gauges to prepare fluoride, it is recommended for two or three years of general use of a bottle or so, and some models can add two bottles.
3, summer, how to choose good oil viscosity?
In the summer, many owners complain of oil costs, in fact, in summer can choose low viscosity lubricants, of course, this is also in the condition of better wear and tear is relatively small premise. For a relatively large number of kilometers, older cars should still use slightly larger lubricating oils.
4, how to clean the air duct, replace the filter?
The car's original air conditioner filter life is 12000 kilometers, for once, this is generally in normal circumstances. The method of cleaning the air duct is very simple, that is, wet towel is used to block the air outlet, and the air conditioner is adjusted to the maximum, so that the dust will suck on the towel. In addition, you can also use air conditioning duct cleaning agent, auxiliary high-pressure air gun cleaning 2 to 3 times to achieve the purpose of cleaning.
5, air conditioning mildew should be how to clean up?
Some owners will find that when the air conditioner is opened, the air outlet will blow out a musty odor, which is the reason why the air duct is not cleaned in time. The simplest way is to solve the problem by cleaning the air duct. As we mentioned earlier, the user can buy air conditioning cleaner to assist the operation. When the air conditioner is used, it should not be turned off immediately, but the air supply switch is switched on for 5 minutes. Recommend reading: car air conditioning has peculiar smell, how to do?
In addition, the vehicle must pay attention to the use of external circulation system in the vehicle, in the summer, many models are now automatic air conditioning, and some of the vehicles is the manual air conditioning, then we should pay attention to. When the outer circulation is adopted, the air conditioner enters the air from the outside of the vehicle, and the inner circulation is used in the air of the vehicle. |
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