ROOT CAUSE FAILURE ANALYSIS OF A PITCH BEARING OF A WINDMILL- PREVENTIVE AND PREDICTIVE MAINTENANCE
Main Root cause analysis procedure: Caravan Reliability Services Provide Best bearing maintenance training and preventive and predictive maintenance for the Industries. What if we could monitor the condition of the machine on a regular schedule without stopping the machine? The advantages of regular condition monitoring are: Reduction of the Duration of Scheduled Maintenance : As the condition of the machine will be known well before the machine is stopped for maintenance, lesser time can be spent in visually inspecting components. Reduction in the number of Unplanned Stops: Regular condition monitoring will reduce the number of unplanned stops as the condition and life of the various components can be predicted and a plan can be put in place to replace or repair them. Pitch bearing of a windmill when dismantled for conducting the root cause failure analysis, found the balls in this condition. Grease analysis done and found <1% OIL separation after 24 hrs. As this i...