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TP-6069 6/03 7Section 3 Cooling System
Seawater
Freshwater (Coolant/Antifreeze)
13
12
11
10
9
7
6
8
3
2
5
4
1
14
Arrow Description
Direction of Flow
TP-5586-6
1. Engine block
2. Exhaust manifold
3. Exhaust mixer elbow
4. Outlet flapper (exhaust/water discharge)
5. Silencer (customer supplied)
6. Thermostat open
7. Thermostat
8. Thermostat closed
9. Heat exchanger
10. Engine-driven seawater pump
11. Seawater strainer
12. Seacock
13. Intake strainer
14. Engine-driven water pump
Figure 3-6 Typical Closed/Heat Exchanger Cooling System (4/6.5/8.5/9/23/27EFOZ and 5/8/10/28/32EOZ
Models)