Steering Control Valve Service - Toro Groundsmaster 4000-D Service Manual

Steering Control Valve Service

3
1
2
1. Steering valve housing
2. Dust seal
3. O- -ring
4. Spool
5. Spring retaining ring
6. Pin
7. Sleeve
8. Centering springs/spacers
NOTE: For steering control valve repair procedures,
see the Eaton Parts and Repair Information: 5 Series
Steering Control Units at the end of this chapter.
Hydraulic System
5
19
16
20
21
23
22
9. Cap screw (7 used)
10. End cap
11. O- -ring
12. Seal ring
13. O- -ring
14. Geroter
15. O- -ring
16. Quad seal
Page 4 - - 114
18
8
7
6
4
150 in- -lb
(17 N- -m)
Figure 82
17
11
10
15
12
13
140 to 160 in- -lb
14
(16 to 18 N- -m)
17. Geroter drive
18. Wear plate
19. Bearing race
20. Thrust bearing
21. Plug
22. O- -ring
23. Check ball
Groundsmaster 4000--D/4010--D
9