Toro Groundsmaster 4000-D Service Manual page 124

Piston (Traction) Pump
103 to 118 ft- -lb
(140 to 160 N- -m)
21
8
27
9
RIGHT
FRONT
1. Hydraulic T fitting
2. Roll pin
o
3. 90 hydraulic fitting
4. Piston pump
5. Flat washer (2 used)
6. Cap screw (2 used)
7. Hydraulic fitting (2 used)
o
8. 90 hydraulic fitting
9. Hydraulic fitting
10. Hydraulic hose
11. O- -ring
12. Pump spacer
Removal (Fig. 68)
1. Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
2. To prevent contamination of hydraulic system during
removal, thoroughly clean exterior of pump assembly.
Hydraulic System
15
11
32
14
3
24
22
35
28
29
13. O- -ring (2 used)
14. O- -ring
o
15. 90 hydraulic fitting (2 used)
16. Pump coupler
17. O- -ring
18. Flat washer (2 used)
19. Cap screw (2 used)
20. Engine
21. Gear pump
22. O- -ring
23. Hydraulic hose
24. O- -ring
1
11
10
14
33
24
34
22
18
12
13
19
17
25
26
30 to 40 in- -lb
(3.4 to 4.5 N- -m)
Figure 68
3. Raise and support machine to gain access to pump
assembly from the underside of machine.
4. Remove traction rod from control arm on piston
pump by removing lock nut, spacer and cap screw (Fig.
69).
Page 4 - - 86
23
2
5
16
6
31
7
Loctite #242
30
79 to 84 ft- -lb
(108 to 113 N- -m)
Loctite #242
79 to 84 ft- -lb
(108 to 113 N- -m)
25. Hose clamp
26. Hydraulic hose
27. O- -ring
28. Hose clamp
29. Hydraulic hose
30. O- -ring
31. O- -ring
32. Hydraulic hose
33. Hydraulic hose
34. Hydraulic fitting
35. Washer
Groundsmaster 4000--D/4010--D
20
4