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TM 5-4320-313-14
1-14. ENGINE.
Refer to figure 1-4. The engine (1) provides the necessary power for the pump. The engine is lubricated by a centrifugal
pressure system. The engine is cooled by means of a flywheel fan, which blows cool air through crankcase housing parts
onto the cylinder. The engine fuel system includes a fuel tank, fuel lift pump, fuel injection pump, and a fuel filter. The
fuel lift pump pumps fuel from the fuel tank, through the fuel filter, to the fuel injection pump to the injector.
Figure 1-4. Engine and Pump.
1-15. PUMP.
Refer to figure 1-4. The pump (2) uses power from the engine to pump fuel from the suction intake coupling to the
discharge coupling. The pump includes a impeller and pump case with suction (intake) and discharge couplings. The
pump case houses the impeller which draws fuel in through the suction (intake) coupling and forces it out of the pump
through the discharge coupling.
1-8
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