GeneralThe ship is equipped with three 2700kW/440 V/60Hz diesel engine driven synchronous generators. Each generator is driven by a turbocharged, four-stroke, 6-cylinder auxiliary diesel engine (DG1 and DG2)The auxiliary diesel engines are equipped with separate, integrated systems for cooling water and lubrication oil.The diesel engines are designed for both diesel and heavy fuel oil operation (700 cSt).In order to prevent carbonising and heavy smoke emission during low load, the fresh water cooling system is arranged in such a way that the scavenge air is heated during low load.DescriptionThe engine is equipped with a shaft driven fuel oil pump. The pump takes suction either from the fuel oil supply system or direct from the diesel oil service tank. Shifting between diesel oil and fuel oil is carried out by means of the double 3-way valve, shifting both supply and return direction.The piping from Fuel supply system (MD11) to the diesel generators (MD75/76) can be heated by steam tracing and is also kept hot by fuel recirculation at each generator. To keep the fuel injection pumps hot, a non-return fuel circulation valve is mounted in parallel with the fuel pump, also a pressure control valve in the fuel return line is included. The fuel quality at injection pumps is indicated. For a safe start the viscosity at injection pumps should