Generator manufacturers are summarized as follows:

1) The rotor of each diesel generator must be calibrated to achieve the accuracy of the dynamic balance of the drawing rules.

2) Select bearings with qualified precision according to the trademark of drawing rules. Check the non-uniformity of stator and rotor air gap, adjust the device until the non-uniformity meets the requirements.

3) Cooperative Precision Device According to Rules Bearing and Rotary Shaft and End Cover

4) Striking method is forbidden for bearing device, and hot sleeve method for heating bearing in oven is preferred.