WIRE AS 1221846 - Caterpillar

Coolant for the Turbocharger
Turbocharger (5) has one inlet and one outlet. Turbocharger Oil Lines Gp (6) is connected to the turbocharger at these ports. Pressurized engine oil flows from the crankcase of the engine into turbocharger (5) through Turbocharger Oil Lines Gp (6). This engine oil is used for lubrication of the bearings in the turbocharger and for cooling of the turbocharger. The oil then drains through Turbocharger Oil Lines Gp (6) into the oil pan on the bottom of the engine.Radiator Assembly
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Radiator Assembly (Front View)
(1) Aftercooler
(2) Hydraulic oil cooler
(3) refrigerant condenser
(4) Radiator
(5) Hydraulic oil cooler for the steering system and the hydraulic fan system
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Radiator Cores (Front View)
(6) Radiator Cores
(7) Radiator bottom tank The radiator assembly is the source of coolant for the cooling system. The radiator is made up of the following two sections: Radiator bottom tank (7) and Radiator core assemblies (6).Also, the radiator assembly includes the air aftercooler (1), refrigerant condenser (3), radiator core assemblies (4), hydraulic oil cooler (2), and the hydraulic oil cooler for the steering system and the hydraulic fan system (5).Reference: For additional information about the refrigerant condenser, refer to the Service Manual module Systems Operation, SENR5664, "Air Conditioning and Heating R-134a All Caterpillar Machines ".Reference: For additional information about cooling the hydraulic system, refer to the Service Manual module Systems Operation, "Hydraulic Fan System" for the machine that is being serviced.The radiator bottom tank is divided into two sections. The rear section accepts the return coolant from the water regulator housing. The return coolant flows into the rear section of the bottom tank. Radiator core (6) is made up of one row of eight tubes in the front and one row of eight tubes in the rear with a connection between the paths at the top of each core. As the coolant flows into the rear section of the bottom tank, the coolant is pushed up the core through the row of eight tubes in the rear. As the coolant gets to the top of the core, the coolant flows through the crossover tubes. Then, the coolant flows through the row of eight tubes in the front of the radiator core assembly. Then, the coolant flows into the front section of the bottom tank.As the coolant flows through the radiator cores in both directions and the air is pulled around the radiator core, the temperature of the coolant is reduced.Transmission Oil Cooler
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Rear Left Side of the Machine
(1) Engine oil cooler. (2) Bonnet. (3) Water pump. (4) Bonnet. (5) Oil inlet. (6) Transmission oil cooler. (7) Oil outlet. (8) Bonnet.
Engine coolant from water pump (3) flows through bonnets (2) and (8) to oil cooler (6). The coolant flows through long tubes inside the oil cooler to bonnet (4). The coolant then flows through bonnet (4) to the engine cylinder block.Transmission oil with high temperatures and hydraulic system oil with high temperatures flow from the torque converter outlet to the oil cooler. This oil flows through