Chapter 3—ENGINE MAINTENANCE
47.74(121)
Figure 3-12.—Types of heat exchanges.
cooler clogging by loose foreign matter are faulty
soon as possible. Obviously, the use of dirty
seawater strainers, dirty freshwater, excessive
freshwater will hasten the clogging of a cooler ele-
lubrication of the pumps, and leaking oil coolers.
ment. Grease and oil may enter the cooling system
To prevent the entry of sea debris, a punctured
and the film deposited on the cooler element will
screen in a seawater strainer must be replaced as
reduce the capacity of the cooler. Grease may
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