Component Tests and General Diagnostics

BEARINGS CHECK

CAUTION:If any of the following conditions exist, install a new bearing.






1. Inspect the bearing for a bent cage.





2. Inspect the bearings for galling (metal smears on the roller ends).





3. Inspect the bearings for brinelling (surface indentation in the race).





4. Inspect the bearing for a cracked inner race.





5. Inspect the bearing and race for etching.

CAUTION:If etching is present, inspect the seals.






6. Inspect the bearing for heat discoloration (dark blue).





7. Inspect the bearing for fatigue spalling (metal flaking).