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 TM 55-1905-219-14-1
b. The Fuel System is shown in Figure 1-39. Fuel is drawn from the supply tank through the fuel strainer by a
gear-type fuel pump. It is then forced through a filter and into the fuel inlet manifold in the cylinder head and to the
injectors. Excess fuel is returned to the supply tank through the fuel outlet manifold and connecting lines. Since the fuel
is constantly circulating through the injectors, it serves to cool the injectors and also carries off any air in the fuel system.
c. The Air System is shown in Figure 1-40. Air for scavenging and combustion is supplied by a blower which
pumps air into the engine cylinders by way of the air box and cylinder liner ports. All air entering the blower passes
through an air cleaner first.
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