Toro Groundsmaster 4000-D Service Manual page 126

Piston (Traction) Pump Service
40 to 48 in- -lb
(4.5 to 5.4 N- -m)
15
14
37
31
32
12
10
9
8
1
2
1. Drive shaft
2. Retaining ring
3. Shaft seal
4. Washer
5. Retaining ring
6. Thrust bearing race
7. Thrust bearing
8. Bearing
9. Housing
10. Seal set
11. Servo piston
12. Gasket
13. Cover plate
14. Flat washer (4 used per cover)
15. Socket head screw (4 used per cover)
16. Washer
17. Jam nut
Hydraulic System
40 to 48 in- -lb
4 to 6 ft- -lb (4.5 to 5.4 N- -m)
(5 to 8 N- -m)
48
47
35
49
33
45
20
10
11
5
6
7
6
4 5
(4.5 to 5.4 N- -m)
3
18. Seal washer
19. Plug
20. O- -ring
21. Cradle
22. Bushing
23. Screw
24. Valve plate
25. Bearing
26. Forward relief valve
27. O- -ring
28. O- -ring
29. Bypass valve
30. Reverse relief valve
31. Cover plate
32. Housing gasket
33. Control orifice (.028) (2 used)
25 to 28 ft- -lb
(34 to 38 N- -m)
40
41
46
43 42
44
38
39
23
21
22
19
12
13
14
15
40 to 48 in- -lb
Figure 70
Page 4 - - 88
100 to 110 ft- -lb
(136 to 149 N- -m)
30
27
34
25
28
27
24
26
18
17
100 to 110 ft- -lb
(136 to 149 N- -m)
150 to 160 in- -lb
16
(17 to 18 N- -m)
34. Flat washer (4 used)
35. Manual servo control assembly
36. Cap screw (4 used)
37. Control orifice (.036)
38. Backplate
39. Roll pin
40. Housing gasket
41. Rotating kit
42. Camplate
43. Servo piston follower
44. Cap screw (2 used)
45. Bushing dowel (2 used)
46. Socket head screw (6 used)
47. Control arm
48. Hex nut
49. Lock washer
Groundsmaster 4000--D/4010--D
27 to 31 ft- -lb
(37 to 42 N- -m)
36
29