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88
6 Maintenance
Cleaning the after cooler
Cleaning the heat exchanger
66
Clean the tube of the heat exchanger;
•
use a pipe brush and fresh water to re-
move any growth in the pipes.
Then rinse the heat exchanger tubes
•
with clean water.
Clean the fins using petrol and com-
•
pressed air, maximum pressure 2 bar (28
psi) to prevent damage to the fins.
Ensure that both heat exchanger end
•
chambers are free from dirt.
Clean the contact surfaces of the O-
•
rings.
C
aution
Handle with care to prevent damage to the
tube stack and the cooling fins
VD00898
VD00905
n
ote
Only engines with a charge air cooler (after
cooler).
VD000906
Summary of Contents for DT4.70
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