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Maintenance: Cooling system general
Without engine mounted heat exchanger (Keel cooled)
The engine cooling water is cooled by, e.g, a box cooler, a grid cooler, or any other external heat exchanger. The
same coolant (fresh water) is cooling the complete engine (charge air, cylinders, etc.).
1. Engine
2. Freshwater pump
3. Lubrication oil cooler
4. Thermostat valve
5. Expansion tank
6. Charge air cooler
Drain points fresh water system