Cleaning The After Cooler - Vetus D-LINE VD4.120 Operation Manual

6 Maintenance
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ote
Cleaning of the after cooler is not a routine
maintenance job.
If the performance of the engine decreases
this can be caused by a dirty heat exchanger
in the after cooler.
The heat exchanger must then be cleaned.
78
Possible causes of fouling of the tubes of the
after cooler are:
- Small rubber particles from a damaged raw
water pump impeller.
- Growth of algae or seaweed.

Cleaning the after cooler

62 Removing the raw water hoses
• Close the sea cock.
• Remove both the raw water hoses.
1,2 x 6,5 7