1.12 M.W Fan High Vibration due to Bearing Looseness & Unbalance .

Fan High Vibration due to Fan N.D.E Bearings looseness & Fan impeller Unbalance , found there is 0.3 mm gap between Bearing outer race and plummer block top cover contact .Added 0.3 mm shim between bearing outer race and plummer block top cover bearing contact are .
Dynamic balancing after bearing corrections , approximately 500 grams weight added on Fan impleller .Fan Vibrations back into normal after Bearings corrections & Dynamic balancing .