TRANSMISSION HYDRAULIC CONTROLS
SYSTEMS OPERATION
TM 5-3805-263-14&P-2
NEUTRAL WITH ENGINE OFF
HYDRAULIC CONTROLS WITH ENGINE OFF AND SELECTOR LEVER IN NEUTRAL
1. Oil filter.
4. Main relief valve.
5. Oil cooler.
7. Oil pump.
9. Differential lock valve.
14. Manuel modulation valve.
15. Differential, check, and safety spool.
16. Pilot selector spool.
17. Speed selector spool (clutch No. 4).
18. Speed selector spool (clutch No. 5).
19. Passage from load piston.
20. Relief valve.
21. Passage to differential, check, and
safety valve.
22. Passage to No. 4 clutch.
23. Passage to No. 5 clutch.
24. Cooler bypass valve.
25. Lubrication relief valve.
26. Passage to differential lock clutch.
27. Passage to differential, check, and
safety valve.
28. Direction selector valve.
29. Priority reducing valve.
30. Passage to No. 6 clutch.
31. Modulating reducing valve.
32. Load piston.
33. Passage to No. 1 clutch (FORWARD).
34. Passage to No. 2 clutch (REVERSE).
35. Speed selector spool (clutches No. 6
and No. 7).
36. Speed selector spool (clutch No. 3).
37. Passage to No. 7 clutch.
38. Passage to No. 3 clutch.
A. Passage for signal pressure.
B. Passage for signal pressure.
E. Passage for signal pressure.
F. Passage for signal pressure.
G. Passage for signal pressure.
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