Cause when the motor is running the sound is not normal
Cause when the motor is running the sound is not normal are the following
Removal steps and requirements of the motor
Removal pulley (coupling) will drive pulley set screws (coupling) on the loose, pulled out with a pulley puller (coupling)
Grease performance is mainly two quality indicators
The first drop point: that the grease is heated to a certain extent began to drop the first drops of temperature
Small motors used grease
Bearings on both sides of the bearing cap, on the one hand protect the bearings
The main noise sources of the motor
The noise is a combination of various frequencies and different intensity of the noise
