精品欧美这里只有精品,婷婷成人无码视频,日本久久麻豆,久久呻吟91,日本最新免费二区三区,日韩人妻少妇一区二区,久久6热思思,21草伊人,精品国自产拍在线观看

1. Maintenance and cleaning

of fan blades and motors The maintenance of fans and motors mainly includes cleaning the dust and oil on the fan blades and the oil and dust outside the motor. Regular wiping of exposed fan blades and observing whether there are cracks in the fan blades can effectively reduce the failure rate of industrial fans during operation.

2. Bearing maintenance

Bearings play a key role in the operation of the fan, so in daily use, The oil and dust on the bearing should be cleaned regularly, and the lubricating oil should be applied in time to ensure that the bearing can run smoothly.

3. Regular maintenance and replacement of wear accessories

 Timely inspection, replacement and replenishment of screws and wear accessories in various places. Make sure the fan is functioning properly to avoid accidents while the fan is running. Make sure that there will be no cases where the fan blade falls off or the screw is loose and falls and hurts people.

4. Insulation resistance

Check whether the insulation resistance of the fan motor is normal, and if there is a problem, it needs to be replaced in time.

Second, maintenance precautions

1.When maintaining the industrial fan, remember to unplug the power supply first, and then do the follow-up maintenance work. The suspension of the fan should be checked before each opening, and the fan should be turned on or touched with barefoot, wet hands.

2. When checking the fan blade, if the fan blade has cracks, regardless of size, it will be replaced. It is also necessary to formulate the time of regular inspection and the frequency of maintenance according to the time and frequency of use of the fan, and replace, repair and replenish the worn accessories, loose screws or missing accessories in time to ensure the normal operation of the fan. If the environment is more dusty, it needs to be maintained and cleaned more frequently.

3. The fan blade is an important part of the fan, whether it is in the installation, disassembly, or in the cleaning, use, must strengthen the protection to prevent deformation.

4. Even if the fan is not used in the off-season, it needs to be checked again when it is restarted.