Case 580SR Service Manual page 185

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OPERATING VALVES AND SOLENOIDS
1. Transmission sump
2. Transmission breather
3. Suction strainer
4. Gerotor oil pump
5. Pressure oil filter
6. Filter by-pass valve 4.3 bar
7. System pressure regulating valve 20 bar
Oil to converter system
8. Neutral reverse shift spool
9. Pressure booster 0-20 bar
10. Neutral forward solenoid
11. High/low shift spool
12. High/low solenoid
SECTION 21 - TRANSMISSION
13. Neutral reverse solenoid
14. 1st gear clutch
15. Accumulator
16. Electronic modulation valve 0-5.5 bar
17. Pressure reducing valve 5.5 bar
18. 2nd/1st shift spool
19. Range modulation spool
20. Range modulation restriction
21. 4WD shift spool
22. 4WD solenoid
23. Range modulation solenoid
24. 2nd/1st Solenoid
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