2140587 SUPPRESSION UNIT Caterpillar parts
3054, 3056, C4.4
Rating:
Alternative (cross code) number:
CA2140587
214-0587
2140587
CA2140587
214-0587
2140587
Weight: 0.01 pounds 0 kg.
GENERATOR SET,
Number on catalog scheme:
4
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Information:
Front Brake Cooling
Illustration 1 g00332355
(1) Torque converter and front brake cooling diverter valve
(2) Torque converter and front brake cooling oil cooler Torque converter and front brake cooling oil cooler (2) is located behind the engine and above the torque converter. Engine coolant from the water pump flows through the oil cooler. Then, the engine coolant flows back to the cylinder block.The front brakes are cooled by oil. The cooling oil comes from the torque converter outlet relief valve.The oil flows from the torque converter outlet relief valve to the torque converter and front brake cooling screen. The oil flows from the torque converter and front brake cooling screen to the torque converter and front brake cooling diverter valve (1).When the service brakes are applied or when the retarder is used, the torque converter and front brake cooling diverter valve (1) will send the oil through torque converter and front brake cooling oil cooler (2). When the front brakes are not needed, torque converter and front brake cooling diverter valve (1) will send the oil through the oil cooler bypass. In either situation, the oil will then flow to the front brakes. After the oil flows to the front brakes, the oil will return to the hydraulic tank.Rear Brake Cooling
Illustration 2 g00332616
Rear brake oil coolers
(3) Oil cooler for the rear brakes
(4) Oil cooler for the rear brakes Rear brake oil coolers (3) and (4) are located on the right side of the engine. Engine coolant from the water pump flows through rear brake oil coolers. Then, the engine coolant flows back to the cylinder block.The rear brakes are cooled by oil. The cooling oil comes from the hoist and rear brake cooling gear pump.The oil flow from the front section of the pump will flow to the hoist control valve. When the hoist control valve is in either the HOLD or the FLOAT position, oil will flow through the hoist control valve to the rear brake oil coolers. After the oil goes through the rear brake oil coolers, the oil will flow to the rear brakes. After the oil flows to the rear brakes, the oil will return to the hydraulic tank.The oil flow from the rear section of the pump will flow to the hoist diverter valve. When the oil is not needed for the hoist circuit, the oil flows through the hoist diverter valve to the rear brake oil coolers. After the oil goes through the rear brake oil coolers, the oil will flow to the rear brakes. After the oil flows to the rear brakes, the oil will return to the hydraulic tank.The rear brake cooling circuit has a rear brake oil cooler relief valve in the hydraulic oil tank. The rear brake oil cooler relief valve prevents excessive pressure. The rear brake oil cooler relief valve opens at 690 kPa (100 psi).
Illustration 1 g00332355
(1) Torque converter and front brake cooling diverter valve
(2) Torque converter and front brake cooling oil cooler Torque converter and front brake cooling oil cooler (2) is located behind the engine and above the torque converter. Engine coolant from the water pump flows through the oil cooler. Then, the engine coolant flows back to the cylinder block.The front brakes are cooled by oil. The cooling oil comes from the torque converter outlet relief valve.The oil flows from the torque converter outlet relief valve to the torque converter and front brake cooling screen. The oil flows from the torque converter and front brake cooling screen to the torque converter and front brake cooling diverter valve (1).When the service brakes are applied or when the retarder is used, the torque converter and front brake cooling diverter valve (1) will send the oil through torque converter and front brake cooling oil cooler (2). When the front brakes are not needed, torque converter and front brake cooling diverter valve (1) will send the oil through the oil cooler bypass. In either situation, the oil will then flow to the front brakes. After the oil flows to the front brakes, the oil will return to the hydraulic tank.Rear Brake Cooling
Illustration 2 g00332616
Rear brake oil coolers
(3) Oil cooler for the rear brakes
(4) Oil cooler for the rear brakes Rear brake oil coolers (3) and (4) are located on the right side of the engine. Engine coolant from the water pump flows through rear brake oil coolers. Then, the engine coolant flows back to the cylinder block.The rear brakes are cooled by oil. The cooling oil comes from the hoist and rear brake cooling gear pump.The oil flow from the front section of the pump will flow to the hoist control valve. When the hoist control valve is in either the HOLD or the FLOAT position, oil will flow through the hoist control valve to the rear brake oil coolers. After the oil goes through the rear brake oil coolers, the oil will flow to the rear brakes. After the oil flows to the rear brakes, the oil will return to the hydraulic tank.The oil flow from the rear section of the pump will flow to the hoist diverter valve. When the oil is not needed for the hoist circuit, the oil flows through the hoist diverter valve to the rear brake oil coolers. After the oil goes through the rear brake oil coolers, the oil will flow to the rear brakes. After the oil flows to the rear brakes, the oil will return to the hydraulic tank.The rear brake cooling circuit has a rear brake oil cooler relief valve in the hydraulic oil tank. The rear brake oil cooler relief valve prevents excessive pressure. The rear brake oil cooler relief valve opens at 690 kPa (100 psi).
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4152832
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