When the electric motor does not work, you will not discover the problem if the person staying just facing the electric motor. An electric motor that has been stored for a long time or can not work independently of their appearance.
The first tip to try to discover the electric motor of the problem is to use a simple ohm meter.
After analyzing and verifying the bearings problem in that the electric motor is not caused by them is time to pull and push the electric motor shaft inside and out. An electric motor that works with bearing problems operates noisily and in addition, the electro motor overheats the bearings and the result will be a catastrophic failure.
Therefore, it is important to always check the electric motor bearings, as this problem can jeopardize the entire operation not only the electric motor, but the electric machine