System Of Charged Air Cooling - Belarus 3522.5 Operator's Manual

3.1.2 System of charged air cooling

Intermediate cooling of charged air is a means, increasing density of air charge,
coming to engine cylinders, thus enabling more effective burning of fuel in the cylinders
and as a result ensuring increase of power with decrease of specific fuel consumption. An
air-cooled cooling system is used in engine, with a plate-fin air cooler (radiator) 1 (figure
3.1.3), mounted in front of the water radiator on the CAC lifting mechanism 6. The CAC
lifting mechanism is designed to simplify the procedure of cleaning the CAC radiator 1 and
the water radiator from dirtiness.
The air charged by the turbocharger via the air line 2, the elements of which are
connected by the silicone pipes 3, is delivered to the CAC radiator 1, where it is cooled by
the airflow, created by the fan. The cooled air comes to the engine intake manifold via the
air pipeline 9.
1 – air cooler (radiator); 2, 9 – air pipeline; 3 – silicone pipes; 4 – clamps; 5 – plug; 6
– CAC lifting mechanism; 7 – supporting bracket; 8 – sealing; 10 – winged nut.
Figure 3.1.3 – Charged air cooling system
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