Fresh
water cooling systems return.
The
cylinder jacket cooling water after leaving the engine passes to a sea water
circulated cooler and then in to the jacket water circulating pumps. It is then
pumped around the cylinder jackets, cylinder heads and turbo blowers.
A header
tank allows for expansion and water make-up in the system. Vents are led from
the engine to the header tank for the release of air from the cooling water. A
heater in the circuit facilitates the warming of the engine prior to starting
by circulating hot water.
The
mixing tank is used to collect recirculated oil and also acts as a buffer or
reserve tank as it will supply fuel when the daily service tank is empty.
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