TM 9-2320-392-10-1
M1083A1 SERIES THEORY OF OPERATION - Continued 0003 00
ENGINE AIR INTAKE SYSTEM (Vehicle S/N 100,001 to 199,999)
The Engine Air Intake System consists of a dry-type air cleaner, turbocharger, and a
Charge Air Cooler (CAC). The turbocharger increases engine horsepower by increasing
the density of air delivered to the engine. An internal wastegate regulates the degree to
which the turbocharger compresses the air. The compressed air is then delivered to the
CAC. The air flows through the CAC, which cools the air before it is delivered to the
engine cylinders. The air aspiration tubes pass the cooled and compressed air to the
engine inlet manifold. The compressed air/fuel mixture allows more complete burning of
the fuel. The result is an increase in horsepower and lower emissions.
0003 00-7
