6 Maintenance
Cleaning the after cooler
1 6
Caution The heat exchanger element in the after cooler is very vulnerable!
Note
5 4
3
56 After cooler removal
Cleaning of the after cooler is not a routine maintenance job.
• Stop the engine, close the sea cock and drain the system.
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.
• L oosen the hose clamps and take the hoses (4) off the hose connection points.
72
2
• L oosen the bolt (5) so that the expansion tank (1) is released from the charge air cooler. The expansion tank does not need to be removed.
• Remove the hose clamps from the charge air cooler and remove the hoses (6) off the hose connection points. • Remove the 4 bolts and remove the charge air cooler (2) together with the drive belt cover (3).