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3.5 Product description
Description of the diesel engine with exhaust gas aftertreatment
Engine
The engine is a liquid-cooled four-stroke diesel engine, rotating counterclockwise (seen from driving end),
with direct injection, sequential turbocharging and charge-air cooling.
The engine is monitored by an engine control and monitoring system (ADEC).
Monitoring in the engine room is carried out by the engine control and monitoring unit (LOP).
Fuel system
Electronically controlled common-rail-injection system with HP pump, pressure accumulator (rail) and single
injectors with integrated individual store.
The electronic control unit controls
• Injection start
• Injection quantity
• Injection pressure
Exhaust system
The exhaust system is equipped with triple-walled, water-cooled exhaust lines.
The triple-walled design permits
• Low surface temperature
• Reduced amount of heat to be dissipated by the coolant
• absolute gas-tightness reached.
Turbocharging
Sequential turbocharging with internal, engine-coolant-controlled charge-air cooling. The right-hand exhaust
turbocharger is cut-in and cut-out on 12V and 16V engines with electronically-controlled, hydraulically-actu-
ated flaps.
Cooling system
Engine cooling as split-circuit cooling system with plate-core heat exchanger.
Heating of the charge-air in idle and low-load operation prevents white smoke formation.
Seawater only flows through engine coolant and fuel heat exchanger as well as the raw water pump.
Service block
The service components are mounted on the auxiliary PTO end.
The layout permits easy access for maintenance.
Service components:
• Raw water pump, coolant pump
• Fuel duplex filter, switchable
• Automatic oil filter
• Centrifugal lube-oil filter
• Coolant expansion tank
Electronic system
Electronic control and monitoring system with integrated safety and test system, providing interfaces to re-
mote control system (RCS) and monitoring system (MCS).
30 | General Information | MS150123/01E 2017-05
TIM-ID: 0000071553 - 002