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LINES GP- 2389622 - Caterpillar



2389622 LINES GP- Caterpillar parts LINES
Rating:
26
Alternative (cross code) number:
CA2389622
238-9622
2389622
Caterpillar 2389622 LINES GP-

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Illustration 1 g01278284
(1) Main filter for the steering hydraulic tank
(2) Vacuum breather port
(3) Steering hydraulic tank cap
(4) Main steering return port
(5) Ecology drain
(6) Steering suction port
Illustration 2 g01278192
(7) Low-engine dead switch port
(8) Case drain oil filter for the steering pump
(9) Case drain oil filter for the fan drive pump and motor
(10) Fast fill switch port
(11) Case drain return ports
(12) Steering oil temperature sensor
(13) Auxiliary power port Internal leakage from the case drains of the steering piston pump, the fan drive pump, and the fan drive motor is returned to the steering hydraulic tank through return lines for the case drain oil. The return oil is then filtered through the case drain oil filter for the steering pump (8) and the case drain oil filter for the fan drive pump and motor (9). Next, the case drain oil from the steering and fan drive systems flows through ports (11) to the main filter for the steering hydraulic tank (1). The main filter for the steering hydraulic tank (1) is located inside the steering hydraulic tank. Normally, oil flows through these filters and clean oil is returned to the steering hydraulic tank. Any debris in the oil is stopped by the case drain oil filter for the steering pump (8), the case drain oil filter for the fan drive pump and motor (9), and the main filter for the steering hydraulic tank (1). Oil flows out of the bottom of the steering hydraulic tank through several ports. Port (6) supplies oil to the steering system and the fan system. The steering hydraulic tank supplies oil to the steering system, the engine cooling fan drive system, the rear axle cooling fan drive system, the steering and fan drive oil cooler, and the RAX lube system. The steering hydraulic tank has two sight gauges. The top sight gauge is generally used for checking the oil level when the machine is off. The bottom sight gauge should be used when the machine is running and the steering accumulator is charged. Steering oil temperature sensor (12) monitors the temperature of the oil in the steering hydraulic tank.Note: If either the case drain oil filter for the steering pump (8) or the case drain oil filter for the fan drive pump and motor (9) becomes full of debris, the restriction to flow causes a pressure increase. The case drain oil filter for the steering pump (8) and the case drain oil filter for the fan drive pump and motor (9) have bypass valves. The bypass valves will open when the pressure increases to the bypass pressure. When the bypass valve opens, oil is allowed to bypass the filter elements. Then, the oil flows directly into the steering hydraulic tank. When oil bypasses the case drain oil filter for the steering pump (8) or the case drain oil filter for the fan drive pump and motor (9), debris in the oil will cause damage to other system components. Proper maintenance must be used to ensure that the filter


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