TM 5-2410-241-23-1
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IMPLEMENT AND STEERING HYDRAULIC SYSTEM CONTINUED
Oil Filter (Implement Return Oil)
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The implement return oil filter is located within the hydraulic oil tank and removes debris from the hydraulic oil that
returns through the implement return port (Figure 10, Item 7).
Hydraulic oil flows through the filter base (Figure 10, Item 6) and into a cavity (Figure 10, Item 3). The oil fills the
space between the inside of the filter element (Figure 10, Item 2). Oil flows through the filter element (Figure 10,
Item 2) and back to the hydraulic oil tank (Figure 10, Item 1). The filter element (Figure 10, Item 2) stops any debris
that is in the hydraulic oil.
If the filter element (Figure 10, Item 2) becomes full of debris, the restriction to the flow of oil causes a pressure
increase inside the filter element (Figure 10, Item 2). The pressure of the oil causes the filter bypass valve
(Figure 10, Item 5) to move against the spring (Figure 10, Item 4). Unfiltered oil is allowed to pass through the
bypass valve (Figure 10, Item 5) and flow directly into the hydraulic oil tank (Figure 10, Item 1). Unfiltered oil can
cause damage to all components in the hydraulic system.
Correct maintenance procedures must be followed in order to ensure that the filter element does not become full of
debris, which will stop the flow of clean oil to the hydraulic tank.
Figure 10. Oil Filter (Implement Return Oil).
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