1,2 x 6,5
7
78
6 Maintenance
Cleaning the after cooler
n
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.
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.
62 Removing the raw water hoses
• Close the sea cock.
• Remove both the raw water hoses.
Summary of Contents for D-LINE VD4.120
Page 2: ...ii ...
Page 132: ...130 ...