Vibration Gen NDE Bearing Vibration Turbine Bearing Vibration Compressor Bearing Vibration Gen DE Bearing Compare with all bearing vibration at GT1A, Gen DE Bearing have the second highest vibration after turbine bearing for the pass 360 days.

27/03/09 3/11/09 4/04/09 12/11/09 The vibration reading for Gen DE Bearing was stable, the average vibration around 3 – 4 mm/s. 4 spikes occur for the pass 360 days. No outage or tripping during this event.

The temp reading for Gen DE Bearing was stable, no spike occur The temp reading for Gen DE Bearing was stable, no spike occur. Margin is between max and min was 8 C.

Temp Vs Vib The temp reading reflects to vibration reading for Gen DE Bearing accept 4 spikes event. Its show, the spike was not actual.