Introduction to maintenance of fan bearings

Although the outer casing of the fan is mostly made of metal, it does not mean that it is indestructible. If the user can not use it properly, the outer casing of the fan can be easily eroded, and the loss to the fan is also great. Therefore, in addition to regular inspection of the casing and the inside of the air intake, there is serious wear and tear. In addition to dust accumulation, these parts can be repaired without special repairs. Regularly check that all the fastening bolts are tight. For the fan with the compression bolts, press the butterfly spring on the foot to the installation height specified in the drawing.

When it comes to the bearing of the fan, the first thing to consider is the bearing lubrication system of the fan. If you find that the body of the fan is leaking oil, you can tighten the bolts of the end caps. If this is not possible, you may have to switch to a new seal packing. Also, when the lubricating oil of the bearing is used normally, it should be replaced at least once in half a year. When it is used for the first time, it will be carried out after about 200 hours of operation. The second oil change time is carried out in 1 to 2 months. Lubricating oil once, if the lubricating oil has not deteriorated, the oil change work can be extended to 2~4 months. When replacing, you must use the specified grade of lubricating oil. In this process, you must remember to thoroughly remove the old oil in the fuel tank. Clean and clean before pouring new oil.

Since the bearings often need to use lubricating oil, if the cleaning is not normally done, the bearing is easily covered by greasy dirt, so it is especially important to regularly clean the fan bearings. Bearings often wear out during use, and special attention should be paid to the degree of wear. If it is severely worn, it is necessary to consider replacing the new ones.
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