Case 580SR Service Manual page 607

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Return to oil tank
Trapped oil
Pressure oil
1. Orifice
2. Rear systems (EF)
3. Filter
4. Spool
The pressure on (CF) increases until the pressure value (stand-by pressure) is sufficient to move the spool
valve in a way to divert the flow toward (EF).
Trapped oil
Return to oil tank
1. Orifice
2. Rear systems (EF)
3. Filter
4. Spool
During steering two actions are performed:
1. The fluid moves to the steering through (CF).
2. The (LS) signal is in communication to the steer-
ing.
SECTION 35 - HYDRAULIC SYSTEM
1
2
3
4
5
6
Load sensing valve with pump running - Steering in neutral
1
2
3
4
5
6
Load sensing valve with pump running - Steering working
7
5. To steering priority flow (CF)
6. Orifice
7. Inlet port (from rear port)
7
5. To steering priority flow (CF)
6. Orifice
7. Inlet port (from rear port)
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