Cleaning The Heat Exchanger - Vetus M4.55 Operation Manual

4 Maintenance
n
ote
Only engines with intercooling!
Only clean the heat exchanger if this is
(badly) fouled.
Under normal conditions of use cleaning
the heat exchanger is not necessary!
60
The engine temperature will be higher than
normal if the heat exchanger is fouled.
Possible causes of fouling are:
- Small rubber particles from a damaged
sea water pump impeller.
- Growth of algae or seaweed.

Cleaning the heat exchanger

VD01148
60 Remove the drain plug
• Close the seacock and detach the water
inlet hose from the sea water pump.
• Drain the coolant: To do this, remove
the drain plug from the heat exchanger
housing.
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