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Maintenance: Cooling system general
Engine mounted heat exchanger
The system includes two circuits. The freshwater system is cooling the charge air, the cylinder liners and the cy-
linder heads. An engine driven cooling water pump circulate the coolant through the heat exchanger and through
the engine. The raw water system is cooling the coolant in the freshwater cooling system. The raw water system
is connected to a seawater inlet or a central cooling system.
1. Engine
2. Freshwater pump
3. Lubrication oil cooler
4. Thermostat valve
5. Expansion tank
6. Charge air cooler
7. Heat exchanger
8. Raw water pump
9. Freshwater circuit
10. Raw water circuit
Drain points fresh water system
Drain points raw water system
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