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Maintenance
70
Charge Air Cooler, External
Cleaning
NOTICE! Regular inspect the charge air cooler
visually.
1 Cover the engine before cleaning. The charged air
cooler must be cold.
2 Clean with high pressure wash or compressed air.
Be careful not to damage the radiator fins.
If detergent is used, make sure that it is not
corrosive to aluminum.
Cooling System, Cleaning
WARNING!
All coolant is hazardous and harmful to the
environment. Do not consume. Coolant is flammable.
IMPORTANT:
Never clean the cooling system if there is any risk of
freezing, since the cleaning solution does not have any
antifreeze properties.
IMPORTANT:
It is extremely important that the correct concentration
and volume of coolant is added to the system.
Mix in a separate clean vessel before filling the cooling
system. Make sure that the liquids mix.
IMPORTANT:
Always follow local safety instructions and regulations.
Cooling performance is reduced by deposits in the
radiator and cooling galleries. The cooling system
should be cleaned out when the coolant is changed.
1 Empty the cooling system. Refer to Coolant,
Draining, page 68.
2 Put a hose into the expansion tank filling hole and
flush with clean water, as specified by Volvo Penta–
refer to section Water quality in Technical
Data, page 80 until the water draining out is
completely clear.
3 If there should still be some contamination left after
flushing for a long time, cleaning can be done with
coolant. Otherwise, continue as in item 8 below.
47711096 09-2018 © AB VOLVO PENTA
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