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Fast underwater stern tube seal replacement avoids need to drydock

Written by Marine Log Staff
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Hydrex diver/tecjhnician at work

Underwater repair specialist Hydrex reports that last month one of its diver/technician teams carried out underwater stern tube seal repairs on a 192 meter RO/RO vessel in Rotterdam. The vessel was suffering from an oil leak, making a fast repair necessary. The team carried out the entire operation on-site and underwater using a Hydrex flexible mobdock.

Every Hydrex office has a fast response center equipped with all the latest facilities, lightweight equipment and tools. These centers were designed specifically to increase speed of service. This allowed the company to immediately mobilize a team on one of it workboats to the vessel’s location.

After installing the flexible mobdock, the divers cleaned the entire assembly. They then removed the three damaged seals one by one and replaced them with new ones. An OEM service engineer was present during the operation and gave his approval for the replacement.

Every day a ship has to go off hire causes a substantial loss of money. The team therefore worked in shifts to perform the stern tube seal repairs within the shortest possible time frame. This saved the owner the time and money going to a dry dock would entail.

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