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10.2 Hydraulic circuit diagram from series 873

Item Designation

1 Lifting cylinder

2 Swivel cylinder

3 Check valve

4 Support valve

5 Support cylinder

6 Reservoir support valve *

7 Ball block valve

8 Pilot valve additional hydraulic system

9 Tilt cylinder

10 Brake valve lowering

11 Pilot valve tilting and lifting

12 Quick connection additional hydraulic system

13 Hydraulic quick-change device

14 Hydraulic way valve 4-times

15 Second additional hydraulic circuit *

16 Hydraulic gear switching *

17 Front axle steer cylinder

18 Rear axle steer cylinder

19 Double shock valve

20 Steering switch over valve

21 Hydraulic reservoir pilot piping

22 Pilot check valve

23 Steering unit

24 Orifice 1.0 mm

25 Gauge port M16x1.5 (pipe fitting)

26 Priority valve

27 Gauge port M16x1.5 (with internal thread)

28 Drive motor A6 VM107HA

29 Oil cooler

30 Pump for swivel device

31 Pump for work and steering hydraulic AS5: 25 cm³/rev

Pump for work and steering hydraulic AS6: 32 cm³/rev

32 Drive pump A4 VG56

33 Housing pressure protection

34 Suction filter

35 Hydraulic oil reservoir

36 Switch for contamination indication

38 Stage main cylinder

39 Inchung device

40 Disk brake

41 Expansion tank

42 Leveling device

43 Pressurizing valve

44 Hydraulic way valve, single

45 Chain-tension valve

46 Lifting device suspension *

* Optional equipment

S06C S06C