Seawater System
The raw water system is the engine’s external cooling
system and it is either a seawater system or a central
cooling system. It cools the internal cooling system in
an engine mounted or externally mounted heat
exchanger. The system is protected against galvanic
corrosion by zinc anodes located in the heat
exchanger.
WARNING!
Risk of water entry. Close and drain the raw water
system before starting any work on the system.
Seawater System, Draining
1 Close the raw water in- and outlet cocks.
2 Connect a suitable hose to each drain point (
S
).
Open the drains and allow the raw water to drain off
into a suitable vessel.
IMPORTANT:
Check that all water really does drain out. Deposits
may need to be cleared away, inside the drain plug/
tap.
D16C-A MG
Maintenance
47711740 05-2019 © AB VOLVO PENTA
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Summary of Contents for D16
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