DCE80-100E
Technical Handbook
Hydraulic diagram
Components
46
P.Group 70
TDCE01
04GB
Hydraulic circuit diagram
Components A06195.0500/0600
1. Accumulator charging valve
2. Pressure limiting valve, steering system
3. Differential valve, gives max. 11 bar difference between
LS-signal of the steering valve and the pump pressure
4. Priority valve for steering circuit. Gives 11 bar basic pressure
in the main valve. Actuated by LS-signal of the steering valve
and ensures sufficient supply to the steering system.
5. Pressure reducing valve for servo to the control levers
6. Safety valve in cooling circuit, permits max. 1 bar, opens to
the reservoir in event of higher pressure in the cooling sys-
tem.
7. Test point, brake system cooling circuit, max. 1,5 bar
8. Test point, servo pressure, non-adjustable
9. Test point, main hydraulics
(Shall be same pressure as 14)
10. Test point, accumulator charging
11. Test point, steering system
12. Main pressure limiting valve
Set the same as 13
13. Main pressure limiting valve
Set the same as 12
14. Test point, separate lifting section
Shall be same pressure as 9
15. Test point, LS-signal from steering valve
16. Control valve, LIFT
17. Control valve, TILT
18. Control valve, SIDESHIFTING
19. Control valve, LENGTH ADJUSTMENT 20’-40’
20. Hydraulic pump
21. Hydraulic accumulator, pre-charging pressure
22. Pressure limiting valve
23. High pressure filter
24. Orbitrol steering valve
25. Steering cylinder
26. Lifting cylinder
27. Lowering brake valve
28. Tilting cylinders
29. Counter pressure valve
30. Sideshifting cylinder
31. Hydraulic reservoir
32. Foot brake valve
33. Brake cylinders, foot brake
34. Parking brake valve
35. Parking brake cylinder
36. Oil cooled brake discs
37. Throttle-check valve for tank return counter pressure
38. Pressure switch, inching
39. Pressure switch, brake lights
40. Pressure switch, low brake pressure
41. Pressure switch, indicating lamp parking brake and seal
buzzer
42. Accumulator evacuating valve
43. Control levers
44. Control valve TWIST-LOCKS
45. Solenoid valves, interlocking system TWIST-LOCKS
46. Solenoid valve, interlocking system LIFT
47. Hydraulic cylinder, LENGTH ADJUSTMENT 20’-40’
48. Hydraulic cylinder, TWIST-LOCKS
49. Hydraulicil cooler, brake system cooling circuit
50. Breather filter
51. Electro-hydraulic converters
52. Test point, brake pressure
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