Removal - Toro Sand Pro 2020 Service Manual

Hydrostat (SP 2020/3020)
RIGHT
FRONT
23
17
21
16
22
1. Not used
2. Shaft cover
3. Lock washer
4. Hydraulic hose
5. Hydraulic hose
6. Cap screw
7. Wire standoff
8. Suction hose
9. Hydrostat
10. Push on hose fitting
11. Hydraulic hose
o
12. 90 hydraulic fitting
Removal (Fig. 31)
1. Before removing any parts from the hydraulic sys-
tem, park machine on a level surface, set brake, lower
attachment, and stop engine.
CAUTION
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil. Controls must be operated with the
ignition switch in OFF. Remove key from the igni-
tion switch.
2. Pivot seat up. Remove cover from the midsection of
the machine.
Hydraulic System (Rev. A)
28
27
20
24
19
18
25
16
17
18
19
20
o
13. 90 hydraulic fitting
14. Hydraulic hose
15. Cap screw
16. Lock nut
17. Flat washer
18. Coupling spacer
19. Cap screw
20. Set screw
21. Engine hub
22. Square key
23. Rubber coupling
Page 4 – 42
33
4
29
9
29
26
31
32
15
3
12
13
14
Figure 31
The muffler and exhaust pipe may be hot. Avoid
possible burns. Allow engine and exhaust sys-
tem to cool before working near the muffler.
3. Remove muffler shield from the engine by first re-
moving three cap screws and lock washers securing the
shield.
4. Remove cotter pin and flat washer securing the
pump control rod to the pump lever. Pull control rod from
the pump lever (Fig. 32).
5. Label electrical wires. Disconnect wires from the
neutral switch (Fig. 32).
6. Remove cap screw and lock nut securing the pump
lever to the hydrostat trunnion (Fig. 32).
5
34
15
6 2 3
7
8
30
10
11
24. Pump hub
25. Pump mount
26. Woodruff key
27. Hex nut
28. Lock washer
29. O–ring
30. Hose clamp
31. O–ring
32. O–ring
33. Cable tie
34. Hydraulic hose
CAUTION
Sand Pro 2020/3020/5020