Toro 4540 Lawn Mower User Manual


 
Greensmaster 3320/3420Hydraulic System Page 5 -- 82
Power Steering Valve Service
1. Plug
2. Plug
3. Spring
4. Relief valve
5. Dust seal
6. T port
7. Housing
8. R port
9. E port
10. Shaft seal
11. Thrust washer
12. Bearing
13. Cross pin
14. Ring
15. Sleeve
16. Spool
17. Cardan shaft
18. O--ring
19. Distribution plate
20. Outer gearwheel
21. Inner gearwheel
22. End cover
23. O--ring (5 used)
24. Cap screw (5 used)
25. Spring set
26. Ball stop
27. Ball
28. P port
29. L port
Figure 55
v
10
16
11
12
13
14
15
17
18
2
1
3
4
8
5
9
6
19
7
20
18
18
21
22
23
24
20 to 24 ft--lb
(27to33N--m)
11
26
27
25
29
28
NOTE: For service of the power steering valve, see the
Sauer/Danfoss Steering Unit Type OSPM Service
Manual at the end of this chapter.