TM 5-4320-300-14
3.
COOLING SYSTEM. Major components include a radiator, water pump, cooling fan, and hoses. The
radiator and fan cool the coolant while it is being circulated by the water pump. The hoses connect the
major components.
4.
FUEL SYSTEM. Major components include a fuel pump, tank, strainer, filter, and lines. The fuel pump
pumps fuel from the fuel tank, through the strainer and filter, to the engine. The fuel lines connect the
major components.
5.
EXHAUST SYSTEM. Major components include a muffler and exhaust manifold. The exhaust manifold
transports exhaust gases from the engine to the muffler. The muffler quiets the sound and reduces the
temperature of the exhaust.
(B)
CENTRIFUGAL PUMP. Major components include a volute, impeller, and a pump body with suction and
discharge ports. The volute houses the impeller which draws water in through the suction port and forces it
out of the pump through the discharge port.
(C)
TRAILER ASSEMBLY. Major components include a frame assembly, wheels, and a coupling. The frame
assembly is the mobile support for the engine and pump assemblies. The rubber-tired wheels rotate on
roller bearings for ease in towing. The coupling connects the trailer assembly to the towing vehicle. The
trailer assembly has a 24-volt electrical system that connects to the towing vehicle.
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