1. Its a center hung double suction fan with taper bore anti friction bearings .
2.I am not sure weather they inspected clearances / not .They reluctant to do so ,said every thing good with bearings and clearances .
3.No extra weight added after correction run .Just taken another run to reconfirm the results .
4.No weights are removed , their management want check bearings and clearances once again .
5.If they called , i let you know .