JT-51 5KG Dental Lab Square Vibrator Vibrating Electric Oscillator equipment This is a high-power , high-performance vibrator, the unique design of the bottom to support its lon Symptoms: sudden increasing noise of vibration during working, accompanied by other unusual sounds. Analysis: the gap between the vibration platform and transformer is abnormal.Solution: power off, Separate the virate platform and the main unit from each other by taking off the 4 M6 screws with a Double check if the 4 column are loose or if they are of different height. If you want to adjust t