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Groundsmaster 4000--DHydraulic System Page 4 -- 98
Steering Valve
1. Hex nut
2. Flat washer
3. Steering wheel
4. Foam collar
5. Steering seal
6. External snap ring
7. Steering shaft assembly
8. Steering tower cover
9. O--ring
10. 90
o
hydraulic fitting
11. O--ring
12. Flange head screw
13. Hydraulic adapter (4 used)
14. Steering valve assembly
15. Nut insert
16. Steering tower
17. Flange locking nut (2 used)
18. Flange head screw (4 used)
19. Pivot hub (2 used)
20. Cap screw (2 used)
21. Steering column assembly
22. Flange bushing
23. Thrust washer
24. Steering wheel cover
25. In port (P)
26. Right turn port (R)
27. Load sensing port (PB)
28. Left turn port (L)
29. Out port (T)
Figure 66
1
2
3
4
5
6
7
23
22
8
17
21
20
19
12
16
15
18
10
12
13
14
9
11
9
11
24
25
26
27
28
29
FRONT
RIGHT
16 to 20 ft--lb
(22to27N--m)