TM 9-2330-356-14
b.
A thermostatic element controls shutter opening
b.
In the low pressure system, two fuel pumps (in
which limits air flow when the engine is cold.
series) draw fuel from the fuel tank and force the fuel
through two fuel filters to the injection pump.
c.
When the engine air temperature reaches
approximately 120F (49C) the shutter begins to open.
c.
In the high pressure system, the fuel injection
The shutters are completely open at 140F
pump forces fuel, under high pressure, to the fuel
(60C) under full-rated load.
inject ion nozzles.
Fuel System (Fig. 7-2)
d.
The injection nozzles provide fuel to each
a.
The engine fuel system consists of two pressure
combustion chamber of the engine. A small quantity of
systems: the low pressure system and the high pressure
unused fuel is returned from the injectors and injector
system.
pump to the fuel tank.
