TM 9-6115-729-10
100 kW TACTICAL QUIET GENERATOR SET
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THEORY OF OPERATION Continued
AIR INTAKE AND EXHAUST SYSTEM WITH TURBOCHARGER
The air intake and exhaust system consists of an air filter assembly, intake manifold, turbocharger, exhaust manifold and
muffler. Ambient air is drawn into the air filter assembly where it passes through the filter elements. Airborne dirt is
removed and trapped in the elements. Filtered air is drawn out of the air filter assembly through air intake tubes to the
turbocharger where it is pressurized and passed through an aftercooler coil in the radiator. In cold weather, an inlet air
preheater is activated to warm the inlet air. The pressurized inlet air enters the intake manifold to the combustion chambers
and mixes with fuel from the fuel injectors. The engine exhaust gases are released into the manifold then to the turbocharger
which is mounted on the exhaust manifold. The exhaust gases drive the turbocharger, forcing large amounts of air into the
intake manifold. After passing through the turbocharger, the exhaust gases are channeled into a muffler to deaden the sound.
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