
COTW Coal mill pinion shaft bearing problem detected
Coal mill pinion shaft bearing problem detected at a coal power plant On January 31st the GE SmartSignal solution detected an increase in mill drive end pinion shaft bearing temperature Bearing temperature increased to greater than 80 176 C 176 176 F while the normal operating temperature range is 50 176 C 60 176 C 122 176 F 140 176 F