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Re: 3512B main engines one suddenly stops....

Problem with the speed control unit in remote operation. Check the remote signal and also replace the speed control unit and check
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Re: 3512B main engines one suddenly stops....

if you can give the engine serial number, I will know if its a Series 1 or 2.

 

I would say either a emergency stop.

but it can also be the limit switch on the airflap.

if that loop is open then the engine stops.

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3512B main engines one suddenly stops....

HI, everyone. one main 3512B suddenly stops, only stops when the speed sailing from cruising speed is 1300rpm down to idle 650rpm, It seems like an emergency stop because jumping air inlet valves of the turbos. 

 

i checked manual accelerator at the engine, in manual no stops...

 

possible controls on the bridge??

 

thanks in advance.