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Engine Replaced on the Move
01 Jan 2002
An engine replacement operation on a Norwegian car and passenger ferry, which involved cutting holes in the ship's hull to install the new engine, has been completed between two of the vessel's scheduled runs.
The ferry MF Vardehorn operates in regularly scheduled traffic between Haried and Sulsund in Sunnmore. Two ferries service the line and the engine was replaced at night without any disruption to scheduled crossings.
The 1999 built MF Vardehorn is propelled by four diesel engines connected to a diesel-electric drive system. The contract to replace the faulty engine was awarded to Marhaug A/S, Volvo Penta's dealer in Svolvaer, Norway. The ship's new engine is a 460kW Volvo Penta D30A MT. It replaced a similar engine supplied by another manufacturer that had experienced problems with cavitation in the engine block and excessive wear.
Careful preparations were made before the ship was brought in for its depot stop on Saturday afternoon. A hole was cut in the hull at 5:30 in the evening and the new engine was installed early Sunday morning. It was mounted on the existing frame and connected to the existing generator, with certain changes made in the installation to solve problems with cavitation. The ferry was back in operation with three engines for its 9:30 AM run as Marhaug A/S continued onboard with the new engine installation. All four engines were fully functional on Monday and the ferry was completely back to normal.
MJ Information No: 16619
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