Exhaust Valve Assembly Stand/Stool – Worm Gear Failure


A vessel experienced failure of worm gear when an exhaust valve was set to overhauled.  The below images clearly show the extent of the damage.

It can be seen that there is a failure of bearing bracket or bearing holder of the worm gear spindle.

The reason for the failure is unknown and we request you to share your ideas/repair techniques that you will employ when the vessel is at sea.

Has anyone of you experienced such failures?  Share it with us..


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Source: We do not hold any responsibility/liability, as these images were sent to us by one of the MFAME readers.  Name of the ship and other details are unknown.  The Main aim of the article is to identify the root cause of the problem and find a solution.

Please share your ideas and Suggestions.