Air Brakes and Train Handling Rules - Alaska Railroad

63.7.2 Roller Bearing63 Train Equipment and OperationFollow these steps to correct a hot roller bearing:1. Stop the movement.2. Check the bearing’s temperature by carefully passing your barehand near the adapter and bearing. If the bearing is much hotterthan the others, consider the bearing overheated.CAUTION: Use extreme care to preventinjury.3. When a hot journal bearing on a locomotive is indicated by adetector, check for an overheated support or armature bearing.Figure 63-B. Roller and Friction Bearings.63.8 Reporting Flat or Shelled SpotsIf a flat or shelled spot develops on a car or locomotive wheel, reportthe defect as follows:• On a locomotive or car, the engineer or conductor immediatelydetermines the location and length of the defect and advises thetrain dispatcher.June 1, 1996 ARRC Air Brakes and Train Handling Manual 63-11