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Emergency Repair of MAN B&W Alphatronic Remote Control System ...
 

During manoeuvring to a loading berth, a 2 year old LPG Tanker suffered total failure of her MAN B&W Alphatronic M/E & CPP Remote Control System, causing a minor collision with another vessel.

We were requested to attend immediately to investigate and hopefully rectify the problem so that she would be released to sail the following day.

       
Emergency Repair of MAN B&W Alphatronic M/E & CPP Remote Control System

The system could not be reset and it was not possible to take control at any of the control positions.

We traced the fault to a severely damaged PCB in the Pitch Servo Control Unit.

The damage to the PCB had been caused by a wiring short to the Pitch Feedback Transmitter unit on the O.D. Box.

       

There were no spares on board the ship and none available quickly.

The damage was severe but we had no alternative but to remove the defective PCB to our workshop for evaluation and possible repair.

  Emergency Repair of MAN B&W Alphatronic M/E & CPP Remote Control System
       
MAN BW Alphatronic M/E & CPP Remote Control System

We completed repairs to the PCB overnight and returned the following morning to refit and re-commission the system.

In total, the repair took 18 hours from diagnosis to re-commissioning and successful trials alongside resulting in no delay to the vessels' schedule.

       
       
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