Dental Powerful Square Quartet Plaster Vibrator Gypsum Oscillator Large Small Dental Lab Equipment This is a big power, high efficiency vibrator, the unique design of heat radiation base make it always work in long time. It has two grades, weak grade, strong grade, can be changed as necesary. Before power on, put the switch in the middle part "O", and then power on, turn on the switch( the indicator light comes on), and choose the stong grade or weak grade,finally turn on the switch two or switch one, it starts to work. Breakdown phenomenon: when it works, the noise becomes large suddenly, comes with unusual sound meantime. Reason: the gap between vibrate's platform and transformer is unusual Trouble shooting: Cut down the power, remove the rubber platform, and reverse the machine, put the base up, use "+" type screw-driver to remove 4 pieces M6 screws, in order to make vibrator' s platform separating from the body. .Inspects four vibrate support pole one by one whether they have become lossen or the height are not same. Readjust the four vibrate support poles' height to be 68mm,, and lock them tightly. (Adjust tool: 10mm opposite side hexagonal socket spanner) Specifications Why Choose Us ? Jinguang is a professional dental product manufacturer. We support OEM for you. Just like the goods we had provided for other sellers who sell on Aliexpress. We support an extra 2 years of after-sale service (you only need to provide proof and freigt to get a new one). While comparing with other sellers, you can get more offers and services by choosing us.