Component Tests and General Diagnostics

Bearing 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. CAUTION: If etching is present, inspect the seals.

Inspect the bearing and race for etching.





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





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