Steering Control Unit Repair - Toro GREENSMASTER 3100 Service Manual

Steering Control Unit Repair

1. Dust seal
2. Retaining ring
3. Gland bushing seal
4. O-ring
5. Backup ring
6. O-ring
7. Seal
8. Bearing race
9. Needle thrust bearing
Disassembly
Cleanliness is extremely important when repairing a
steering control unit. Work in a clean area. Before
disconnecting lines, clean port area of unit thoroughly.
Use a wire brush to remove foreign material and debris
from around exterior joints of the unit.
®
Greensmaster 3100
(Fig. 42)
- Greensmaster 3100
Figure 42
10. Housing
11. Control sleeve
12. Control spool centering springs
13. Control spool
14. O-ring
15. Spacer plate
16. Drive
17. Gerotor
18. End cap
Although not all drawings show the unit in a vise, it is
recommended that you keep the unit in the vise during
disassembly. Follow the clamping procedures explained
in the instructions.
Page 4 - 61
19. Capscrew
20. Centering pin kit
21. Check ball retainer
22. Check ball
23. O-ring
24. Check ball seat
25. O-ring
26. Setscrew
Repairs