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MANIFOLD 2389431 - Caterpillar

2389431 MANIFOLD Caterpillar parts MANIFOLD
Alternative (cross code) number:
Caterpillar 2389431 MANIFOLD
Weight: 18 pounds 8 kg.

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Illustration 1 g01199728
Rear axle housing
(1) Inlet line
(2) Outlet line
(3) Pressure sensor
(4) Rear axle power train filter
(5) Level switch for the rear axle
(6) Filter bypass switch
Illustration 2 g01199756
Rear axle power train filter
(7) Bypass valve
(8) Spring
(9) Outlet passage
(10) Housing
(11) Element
(12) Inlet passage Rear axle power train filter (2) is mounted to the back of the rear axle housing. Oil from the rear axle oil pump flows through inlet line (4) to rear axle power train filter (2). Oil then flows through outlet line (5) to final drive bypass manifold.Filter bypass switch (6) and level switch (5) for the rear axle send input signal to the Vital Information Management System (VIMS). Pressure sensor (3) also sends an input signal to the Vital Information Management System (VIMS).Oil from inlet line (1) flows into inlet passage (12). This oil fills the space that is between element (11) and the inside of housing (10). During normal operation, the oil flows through element (11). The oil then flows through outlet passage (9). Element (11) stops any debris that is in the oil.If the filter element becomes full of debris, the restriction to the flow of oil causes a pressure increase inside the filter. If the pressure of the oil achieves the bypass pressure, the pressure oil causes bypass valve (7) to move against the force of spring (8). The oil then goes through open bypass valve (7). This oil flows through the bypass passage and to the final drive bypass manifold. Filter bypass switch (6) notifies the VIMS of this occurrence. When the oil does not go through the filter element, the debris that is in the oil may cause damage to the other components in the system.Correct maintenance must be used to ensure that element (11) does not become full of debris and that the flow of clean oil is not stopped.

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