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Points for attention in maintenance of fan and motor：
1. The use of the environment should always keep clean, fan surface clean, inlet and outlet should not have sundry, regular removal of fans and pipe dust and other sundry.
2. Only when the fan is completely normal can it run, at the same time, the power supply facilities should have sufficient capacity and stable voltage. It is strictly forbidden to run with defect. The power supply lines must be special lines, and temporary lines should not be used for long-term power supply.
3. Fan in the operation process found abnormal sound, motor heating, Shell live, switch trip, can not start and other phenomena, should immediately stop check. In order to ensure safety, not allowed in the fan operation maintenance, maintenance should be carried out after about five minutes of trial operation, to confirm that no abnormal phenomenon before starting operation.
4. The fan should be stored in a dry environment, to avoid the motor damp. When the fan is stored in the open air, there should be defensive measures. In the storage and handling process should prevent the fan knock, so as to avoid damage to the fan.