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Checking of the cooling water strainer
Each day, prior to starting the engine, make sure that the
cooling water strainer is not clogged by dirt. Close the
raw water seacock and remove the cover from the filter
housing for proper inspection.
Cleaning of the cooling water strainer
Clean the filter element at least twice a year, or whene-
ver necessary. If the cooling water strainer gets clogged
up, the cooling liquid in the engine may overheat.
When closing the strainer gain, make sure that the cover
is perfectly shutting the unit off. If and when air is suc-
ked into the system, on account of a badly closing filter
cover, there is a severe risk of overheating of the engine.
Maintenance and inspection 11
Cooling water strainer
Again: make absolutely sure that the cover fits the strai-
ner housing well and without any air leaks!
craftsman marine diesel engines CM4.33 / cm4.42
Title part xxx
Subtitle part xxx
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