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