Steering Control Unit Repair (Fig. 32)
Figure 32
1. Set screw 10. Control sleeve 20. Centering pin
2. Dust seal 11. Centering springs 21. Check ball retainer
3. Retaining ring 12. Control spool 22. Check ball
4. Gland seal bushing 13. Seal 23. Seal
5. Seal 14. Spacer plate 24. Check ball seat
6. Quad ring seal 15. Drive 25. Seal
7. Bearing race 16. Gerotor
8. Thrust (needle) bearing 17. Spacer
9. Housing 18. End cap
Disassembly
Cleanliness is extremely important when repairing a Alth
ough not all drawings show the unit in a vise, it is
steering control unit. Work in a clean area. Before recommended that you keep the unit in the vise during
disconnecting lines, clean port area of unit thoroughly. disassembly. Follow the clamping procedures explained
Use a wire brush to remove foreign material and debris in the instructions.
from around exterior joints of the unit.
Repairs Pa
ge 4 - 50 Groundsmaster
®
455-D
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