Question: what is fw lt cooling system?
Answer: Central Cooling Water System. ... - the Freshwater High Temperature (FW-HT) System. The FW-LT System is used for cooling: ME LO Cooler, Camshaft LO Cooler, Jacket Water Cooler, and Scavenge Air Coolers. The FW-HT System is used for cooling the cylinder liners, cylinder covers and exhaust valves of the main engine.