Chinese haukka heavy truck cab shell Ji'nan haukka cab

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car purge, smoke smell is the focus of automotive air conditioning. HOWO cab owners generally use perfume or air freshener odor, the short term can improve the air inside the car, but can not cure. Remove the air conditioner odor, the best use of professional cleaning agent to clean the air duct, the air filter is replaced, so that it can reach a better effect. Owners can also open air heater, check the radiator can also be used when touching the upper and lower, left and right. If it is found that the heat pipe temperature is uneven, a foreign body or scale blockage, should be removed. The above tests were normal, the diesel engine is overheating, should consider whether there are other issues, such as whether the vehicle is working long time overload under low speed, whether downwind, when asked whether the injection is too late, as the case should be dealt with respectively. The tire pressure is insufficient, the wheel has abnormal wear, and the data of the four wheel positioning is changed. Continuous heating, air dried air duct moisture, avoid moisture condensation. If the surface of the belt and pulley groove contact side light, air conditioning and started when "creak" noise, that belt slippage is serious, should be replaced with a belt and a belt wheel; if loose belts should be adjusted, HOWO cab otherwise easy to bad air conditioning system. Using the observation window of the dryer, the height of the liquid level of the refrigerant can be checked. Glass peep holes are usually mounted on the top of the dryer, running the engine and the air conditioning system, observing the flow of the refrigerant through the glass peep hole. If the air conditioner works, from the peephole to see the flow of clear frozen liquid kept at high temperature and also occasionally with some small bubbles, or removable inlet hose water check under the radiator, if the starting machine with the crankshaft, the water pump that strong enough water, HOWO cab you should check the pump or the radiator. When you turn off the air conditioning system, you can see the small bubbles. If the two ends of the temperature of the thermostat, touch the radiator and the diesel engine or water-cooled oil radiator shell, if the temperature of the radiator is significantly lower than that of the diesel engine, the lack of water pump or cooling fluid circulation, should observe the radiator outlet hose is deflated.