Lift Valve Repairs - Toro Groundsmaster 455-D Service Manual

Lift Valve Repairs (Fig. 31)
1. Plug
2. Disc
3. Spring
4. Detent plunger
5. O-ring seal
6. Plug
7. O-ring seal
8. Body
9. O-ring seal
10. Back-up washer
11. Plug
12. O-ring Seal
13. Spool
Disassembly of Lift Valve
1. Plug all ports and clean outside of valve thoroughly.
2. Remove spool caps (Item 30). Do not remove retain­
ing rings (Item 28) from spools unless spring (Item 27)
is broken.
3. Remove spools (Item 13) from valve body (Item 8).
NOTE: Spools and spool bores are matched sets. Be
sure each spool is identified with the correct body
spool bore.
Repairs
Figure 31
14. Lock nut
15. Washer
16. Plug
17. O-ring seal
18. Washer
19. Washer
20. Washer
21. Spring
22. Poppet
23. Seat
24. Wiper seal
25. Bushing
26. Washer
4. Remove bushings (Item 25) and o-rings (Item 12)
from spools.
5. Remove plugs (Item 11).
6. Remove plugs (Item 32), springs (Item 33), poppets
(Item 34), seats (Item 35) and plungers (Item 37, 31).
IMPORTANT: Check location and positioning of
plungers when removing from body to assure
proper assembly.
Page 4 - 48
27. Spring
28. Spacer
29. Retaining ring
30. Cap
31. Plunger
32. Plug
33. Spring
34. Poppet
35. Seat
36. O-ring seal
37. Plunger
Groundsmaster
®
455-D