Volvo Penta D49A MS - Cooling System D49 A;D65 A MT KC (2 Circuit)

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Maintenance: Freshwater system
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Cooling system D49A/D65A MT KC (2 circuit)
The thermostat regulated freshwater system is cooling the engine and the lubrication oil cooler. The engine coo-
ling water is cooled by, e.g, a box cooler, a grid cooler, or any other external heat exchanger.
The rawwater system is cooling the charge air.
1. Rawwater inlet
2. Rawwater pump (optional)
3. Charge air cooler
4. Rawwater outlet
5. Freshwater inlet
6. Freshwater pump
7. Lubrication oil cooler
8. Engine
9. Thermostat valve
10. Expansion tank
11. Freshwater outlet
Freshwater circuit
Rawwater circuit
Freshwater drain points (D)
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