Service Manual

Groundsmaster 7200/7210Hydraulic System Page 4 - 94
Polar Trac
TM
Hydraulic Control Valve Service
1. Check poppet
2. Detent plunger
3. Spacer
4. Spool
5. Seat (3 used)
6. Solid plug
7. Seat retaining plug (2 used)
8. Bushing
9. Check spring
10. Spool cap (2 used)
11. Valve body
12. O- ring
13. Retaining ring
14. Washer
15. Seat retaining plug
16. Spool spring
17. Disc
18. Plug
19. Detent plug
20. Wiper seal
21. Plunger
22. Detent plunger
23. Detent spring
24. O- ring
25. O- ring
26. Back- up washer
27. O- ring
28. O- ring
29. O- ring
30. Back- up washer
31. Plug
32. O- ring
33. Spool
Figure 107
2
3
4
5
6
15
8
10
16
17
18
19
20
21
22
23
11
12
13
14
7
5
30
29
24
28
25
26
27
25
26
12
27
27
5
1
7
30
29
9
33
20 to 25 ft- lb
30 to 35 ft- lb
30 to 35 ft- lb
(41 to 47 N- m)
4to5ft-lb
(5.4 to 6.8 N- m)
30 to 35 ft- lb
(41 to 47 N- m)
(41to47N-m)
(27 to 33 N- m)
31
32
21 to 24 ft- lb
(29to32N-m)
30 to 35 ft- lb
(41 to 47 N- m)