TM 5-2410-240-23-1
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ENGINE SYSTEMS CONTINUED
Engine Aftercooler
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The engine aftercooler is mounted at the front of the machine and is part of the cooler group. The cooler group
consists of three separate units: the powertrain oil cooler (Figure 6, Item 1), the engine coolant radiator (Figure 6,
Item 2), and the engine aftercooler (Figure 6, Item 3).
The engine aftercooler is an air-to-air cooler. It receives compressed heated air from the turbocharger and cools it
to about 120F (50C). Cooling occurs as heat transfers from the air flowing through the cooler to the air flowing
past the cooling fins. Cooling the inlet air increases combustion efficiency.
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Figure 6. Engine Aftercooler.
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