Case 580SR Service Manual page 175

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2.6 HYDRAULIC DIAGRAM
1
2
Pressure check port
X
b r a
Temperature check port
X
°C
1. Operator's compartment
2. Pressure gauge
3. Thermometer
4. Torque converter
5. Torque converter (pressure difference 4 bar) by-
pass valve
6. Radiator
7. Lubrication
8. Safety valve 10 bar cracking pressure
9. Solenoid pressure 5 bar
10. Pressure regulator valve 20 bar
11. By-pass valve pressure difference 4.3 bar
12. Filter
13. Pump
14. Air breather
15. Filter
16. Oil sump
17. Pressure reducer to 5.5 bar
SECTION 21 - TRANSMISSION
3
3 4
b r a
8
10
17
3 1
b r a
20
12
11
3 5
19
b r a
13
14
15
16
5
4
3 2
b r a
7 1
°C
6
9
24 25
23
18
4 6
b r a
21 29 30
22
18. Accumulator
19. Pressure booster 0 - 5.5 to 0 - 20 bar
20. Electronic controlled modulation valve 5.5 to
0 bar
21. Modulated pressure 0 to 20 bar
22. Clutch pressure 20 bar
23. Solenoid N/forward
24. Solenoid N/reverse
25. High/low solenoid
26. Solenoid 2nd/1st
27. Solenoid range modulation
28. Solenoid disconnect
29. Reverse clutch
30. Forward low clutch
31. Forward high clutch
32. 2nd clutch
33. 1st clutch
34. Disconnect clutch
A A 3 3
b r a
°C
7
26
27
4 5 4 4 4 2 4 1
b r a b r a b r a b r a
31 33
32
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109
28
4 7
b r a
34
F27722