HYDRAULICS 1.3 Key to hydraulic circuit - single circuit braking (up to Machine S/No.51200317) 1. Hydraulic tank (reservoir) 2. Hydraulic pump, load sensing (LS) 3. LS pump compensator 4. Gauze filter (Not Serviceable) 5. Filler/breather 6. Auxiliary hydraulic pump 7. Fan motor 8. Pressure reducing valve (parking brake control) 9. Pressure filter 10. Brake servo valve 11. Accumulator 12. Pressure switch (116 bar) 13. Pressure switch (15 bar) 14. Front axle (park brake actuators) 15. Steering cylinder (front) 16. Pressure switch (5 bar) 17. Pressure switch (16 bar) 18. Rear axle 19. Steering cylinder (rear) 20. Non-return valve 21. Steering control valve (Danfoss OSPF) 22.
Steering selector valve (attached to OSPF valve) 23. Pressure relief valve (175 bar) 24. Shock valve (225 - 245 bar) 25. Hydraulics control valve (PVG 32) 26. Outlet section (PVP) 27. Extension section 28. Crowd/compensator section 29. Lift section 30. 1st auxiliary section (carriage/autohitch) 31. 2nd auxiliary section 32. Pressure relief valve (290 bar) 33. Pressure raising spool 34. Pilot valve 35. Shock valve (175 bar) 36. Inlet section (PVSP) 37. LS shuttle valve 38. Proportional controller 39. Shock valve (265 bar) 40. Controller (not proportional) 41. Priority valve (brakes and steering) 42. Priority valve (steering) 43. Filter 44. Brake accumulator charge valve (BAC) 45.
Accumulator 46. Tap 47. Trailer brake valve 48. Trailer brake coupling 49. Extension cylinder 50. Load control valve 51. Crowd cylinder 52. Load control valve 53. Compensator cylinder 54. Lift cylinder 55. Load control valve 56. Diverter valve 57. Manifold 58. Cylinder, autohitch 59. 1st service couplings 60. 2nd service couplings 61. Trailer tipping coupling 62. Start-up valve 63. Non-return valve 64. Pressure relief valve (160 bar) 65. Test point 1 (main system pressure LS) 66. Test point 2 (parking brake release pressure) 67. Test point 3 (steering system pressure) 68. Test point 4 (brake circuit) 69. Test point 5 (main circuit pressure P) 70. Auxiliary breather