Toro Greensmaster 3200 Service Manual page 117

4
5
6
3
2
1
31
30
33
34
35
1. Key
2. Drive shaft
3. Bearing
4. Screw
5. Cover seal
6. Shaft seal
7. Washer
8. Thrust bearing
9. Key
10. Cam plate
11. Rotating kit assembly
12. Gasket
13. Valve plate
Disassembly
1. Position pump into a vise with protected jaws so the
drive end is pointed up. Clamp onto the mounting flange
of the hydrostat.
2. Remove cap screws (22 and 23) from the backplate
assembly (16).
3. Lift backplate assembly (16) up and off from the
drive shaft (2) and housing assembly (29). Remove
valve plate (13) from the backplate assembly or rotating
kit assembly (11). Remove charge relieve valve and
bleed–off valve from back plate assembly (see Fig. 23).
4. Remove dump valve assembly (21) and O–ring (38)
from the backplate assembly (16). Remove O–rings (36
and 37) from the valve assembly.
Greensmaster 3200/3200–D
11
10
9
7
8
8
29
30
31
32
Figure 21
14. Bearing
15. Dowel pin
16. Back plate assembly
17. O–ring
18. Plug
19. Spring
20. Seat
21. Dump valve assembly
22. Cap screw
23. Cap screw
24. Roll pin
25. Trunnion cover
26. Trunnion O–ring cover
Page 5 – 45
19
20
18
17
16
15
14
13
12
15
28
7
27
26
25
4
27. O–ring
28. Inner race
29. Housing assembly
30. Retaining ring
31. Bearing race
32. Thrust bearing
33. Washer
34. Shaft seal
35. Retaining ring
36. Retaining ring
37. O–ring
38. O–ring
5. Remove both plugs (18), O–rings (17), spring (19),
and seats (20) from the backplate assembly (16).
6. Remove gasket (12) from the housing (29) or back-
plate assembly (16).
Note: To remove the rotating parts kit (11) from the
shaft (2), a table or workbench with a hole in the working
surface is required for the protruding shaft.
7. The rotating parts kit (11) can be removed from the
shaft (2) as follows:
A. Hold rotating parts kit (11) in place and remove
the pump from the vise.
Rev. C
36
37
22
21
38
23
20
19
17
24
18
DRIVE END
Hydraulic System