Electric Motor Abnormal Sound Investigation

How to investigate the damage ball bearing during electric motor under in service.
Hearing the abnormal sound from defective ball bearing on the electric motor and measure the vibration to make sure the cause of the abnormal sound.
Before any working on the electrical equipment, always make sure that the electricity has been isolate and post marking on the starter panel.
Use LOTO (Lock Out and Tag Out) on the isolated electrical starter panel, also complete the risk assessment.

Only competent person allowed to work on the electrical equipment. This video is only for reference and for information to the public.

#ELECTRIC MOTOR
#BEARING REPLACEMENT
#LOTO
#LOCK OUT TAG OUT
#LOW VOLTAGE MOTOR
#BALL BEARING
#SAFETY FIRST.