mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Cleaning and Inspection|Page 3053 > < Crankshaft, Engine|Specifications|Page 3050
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Crankshaft: Testing and Inspection
Cleaning and Inspection

CLEANING 

Clean the crankshaft (6303) with hot or cold commercial tank solutions, solvents and brushing, or by steam cleaning. Be sure to clean the drilled
oil passages that connect the main and connecting journals.

INSPECTION 

After cleaning, the crankshaft must be inspected to determine if it should be reused, reconditioned, or replaced. If the crankshaft has been
subjected to or will be subjected to high-stress operation, consider a magnetic inspection of the crankshaft for cracks that cannot be seen with the
eye. This service is available through most automotive machine shops.

Cleaning and Inspection|Page 3053 > < Crankshaft, Engine|Specifications|Page 3050