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TM 5-4320-308-13
Section III. TECHNICAL PRINCIPLES OF OPERATION
1-13. PUMPING ASSEMBLY
ENGINE - bolted to base assembly. Provides the power necessary to drive the pump. Includes:
LUBRICATION SYSTEM - pressure lubricates the entire drive and governor mechanisms.
COOLING SYSTEM - includes a blower ring, mounted to the flywheel, which blows cool air through crankcase
housing ports onto the cylinder.
FUEL SYSTEM - includes a fuel lift pump, fuel injection pump, venting pipe, fuel tank, filter, and fuel pressure pipe.
The fuel lift pump pumps fuel from the fuel tank, through its filter, to the fuel injection pump, then to the injector through
the fuel pressure pipe.
1-7
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