72
Cleaning the after cooler
6 Maintenance
C
aution
The heat exchanger element in the after cool-
er is very vulnerable!
1
5
4
2
3
6
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.
56 After cooler removal
• Stop the engine,
close the sea cock
and
drain the system.
• Loosen the hose clamps and take the hoses
(4) off the hose connection points.
• Loosen the bolt (5) so that the expansion
tank (1) is released from the charge air cool-
er. 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).
Содержание VF4.145
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