RAW (SEA) WATER COOLING SYSTEM

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EXHAUST SYSTEM

TM-55-1905-222-14 Landing Craft Mechanized (LCM-8) (ROHR and Gunderson Models) (1905-01-284-2647 AND 1905-01-284-2648) Manual

HYDRAULIC STARTING SYSTEM

TM 55-1905-222-14

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RAW (SEA) WATER COOLING SYSTEM.

Identical raw water systems are installed, port and starboard. The function of the raw water cooling system is two-fold

provide cooling for the mufflers and the return fuel oil, and priming for the bilge pumps. Sea water Intake is at the sea

chest located aft of each marine transmission. The suction valves allow sea water to flow through the strainers mounted

on each side of the engine room. The engine-mounted raw water pump pumps the sea water through the fuel oil coolers

and the mufflers. The priming valve allows sea water priming of the bilge pump. Some sea water is discharged

overboard through the discharge valve. The discharge valve is used to control the amount and rate at which sea water

passes through the fuel oil coolers and mufflers. The sea water which is used to cool the mufflers is discharged through

the exhaust ports with the exhaust gases

(STARBOARD SYSTEM SHOWN)

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