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Several points needing attention in daily maintenance of electric agitator


Electric agitator is widely used in chemical industry. It needs good maintenance in use. How many points should be paid attention to in daily maintenance?

  (1) When the service life of the bearing is over, the vibration and noise of the motor will increase obviously. When the radial clearance of the bearing reaches the following value, the bearing should be replaced.

  (2) The operating environment should be kept dry, the motor surface should be kept clean, and the air inlet should not be blocked by dust and fiber.

  (3) The motor shall be well lubricated during operation.

  (4) When replacing the winding, the form, size, turns and wire gauge of the original winding must be recorded. When these data are lost, they should be obtained from the manufacturer, and the original designed winding can be changed at will. As a result, the performance of one or several items of the motor will deteriorate, and even can not be used.

  (5) When the thermal protection of the motor continuously acts, it is necessary to find out whether the fault is from the motor or overload or the setting value of the protection device is too low. After the fault is eliminated, it can be put into operation.

  (6) When disassembling the motor, take out the rotor from the shaft extension end or non extension end.