Case 580SR Service Manual page 596

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6 SECTION 35 - HYDRAULIC SYSTEM
1. Front axle
2. Steering control valve
3. 4x1 bucket cylinders
4. Dipper cylinders
5. Boom cylinders
6. Ride control valve (optional)
7. Ride control accumulator (optional)
8. Loader attachment control valve
9. Hand hammer control valve (optional)
10. Backhoe hammer control valve (optional)
11. Hand hammer (optional)
12. Backhoe hammer (optional)
13. Hydraulic pump
14. Priority valve
15. Air filter
16. Hydraulic oil cooler
17. Diagnostic
18. Oil filter
19. Return filter
20. Backhoe attachment control valve
21. Dipper cylinder
22. Bucket cylinder
23. Swing cylinders
24. Bi-directional auxiliary
25. Boom cylinder
26. Backpressure valve
27. Telescopic cylinder
28. Stabilizer right cylinder
29. Stabilizer left cylinder
30. Check valve
31. Check valve (optional)
32. Left-hand hydraulic control lever
33. Right-hand hydraulic control lever
34. Boom or dipper left hydraulic control lever
35. Hydraulic control lever left-swing
36. Boom or dipper right hydraulic control lever
37. Hydraulic control lever right-bucket
38. Backhoe attachment control valve pilot solenoid valve
39. Backhoe attachment travel lock cylinders (sideshift)
40. Check valve (optional)