Horror Stories

Piston Seizure Causes Crankcase Explosion


Here are some photos of a Sulzer ZA40 engine following a piston seizure and crankcase explosion. The seizure, believed due to a lack of liner lubrication caused the conrod and lower skirt to break free, smashing the bottom of the liner and engine frame. The damage to the frame was so extensive that the engine had to to be replaced.





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