As we all know, the exhaust fan in the ventilation equipment is very prominent, and maintenance problems equipment is also very critical, but the user for this aspect is often overlooked, causing the device during use, performance show is not ideal, today Xiaobian finishing the knowledge about the exhaust fan maintenance, interested users do not want to miss. Since the exhaust fan is widely used, so in order to maintain the performance of the equipment, timely and effective maintenance work it is very important. For example, a comprehensive examination of our best work before using, for the emergence of various abnormal or failure should be taken to resolve the right way, so that it can make use of the fan is in a normal state. But also for maintenance of such equipment, is carried out in daily use, rather than belatedly after the failure, so it is easy to cause it to malfunction during use, to increase people's use will not necessary evil. 

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