1 Use the environment should always keep clean, fan surface to keep clean, inlet and outlet should not have debris, regular removal of fan and pipe dust and other debris.
2 It can only be operated under the condition that the fan is completely normal, at the same time, it is necessary to ensure that the power supply facilities have sufficient capacity and stable voltage, and the defect operation is strictly prohibited. The power supply line must be a special line and should not be supplied with temporary lines for a long time.
3 Fan in the operation process found that the fan has abnormal sound, motor serious heating, shell live, switch tripping, can not start and other phenomena, should immediately stop to check. In order to ensure safety, it is not allowed to carry out maintenance in the operation of the fan, after maintenance trial operation should be carried out for about five minutes after maintenance, and it is confirmed that there is no abnormal phenomenon to start up the operation again.
4 Replenish or replace grease to bearings on an irregular basis according to environmental conditions.
5 The fan should be stored in a dry environment to avoid moisture of the motor. When the fan is stored in the open air, there should be defensive measures. In the storage and handling process should prevent fan bumps, so as not to damage the fan.