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Distorted crank case - Bearing defects


Figure 1: Distorted crank case.

Defect name: Distorted crank case
Record No.: 1186
Type of defect (Internal/Surface): Surface
Defect classification: Bearing defects
Steel name: Steel
Steel composition in weight %: No data.
Note:  
Appearance: With main bearings arranged as installed in the engine, bearing show a progression of damage from one to another.
Causes: Main bearing bores out of alignment. Engine overheating. Improper tightening of engine components (bearing caps, heads, manifolds, etc.) Engine not properly or uniformly supported (large stationary engines).
Reference: Not shown in this demonstration version.