Air Intake System - Operation and Tests/Air-to-air Aftercooler Operation AIR-TO-AIR AFTERCOOLER OPERATION CD30332 -UN-08MAR95 A—Heat exchanger B—Intake manifold C—Hot air flow D—Cooled air flow Intake air, which has been compressed (and heated) by the turbocharger is routed, before entering the intake manifold (B), toward a heat exchanger (A) (usually mounted in front of radiator) to lower the air temperature. This increased volume of air, when combined with a predetermined quantity of additional fuel, enables more power to be produced. The heat exchanger uses no liquid coolant but relies on air flow to cool the charge air.
Lowering the air temperature makes the air more dense and permits an even greater volume of air to be delivered to engine cylinders for combustion. CD,3274,G215,5 -19-15MAY92 215 4 CTM3274 (01JUL99) 215-4 Saran Liter Engines 060799 PN=339