HARNESS AS-LIGHTING 4788467 - Caterpillar

Illustration 1 g06317736
Front of Machine
(1) ATAAC
(2) Radiator
(3) Fuel cooler
(4) Hydraulic oil coolerThe cooling package is at the front of the engine compartment. The engine compartment cover provides access to these components.The cooling package consists of several cooling cores. The cooling cores are as follows:
Hydraulic oil cooler (4) is located in the upper left portion of the cooling package. This core cools the hydraulic oil for the propel and auxiliary systems.
The air-to-air aftercooler (ATAAC) (1) is located in the upper right portion of the cooling package. This core cools the engine intake air charge after the turbocharger.
Fuel cooler (3) is located next to the radiator, in the lower left portion of the cooling package. This core cools excess fuel leaving the engine, as the fuel is returned to the tank.
Radiator (2) is located in the lower portion of the cooling package. This core cools the engine coolant.When the fans are running, air is drawn from in front of the cores through openings in the top of the hood. The air flows across the cores and is directed out the rear of the machine.