Assembly Of Traction Pump - Toro Groundsmaster 455-D Service Manual

Assembly of Traction Pump (Fig. 22)
1. End cap
2. Plug
3.
4. O-ring
5. Conical spring
6. Retaining ring
7. Relief valve
8. Charge relief poppet
9. Spring
10. Shim
11. O-ring
12. Charge relief plug
13. Needle bearing
14. End cap gasket
15. Pin
1. Clean and lightly oil parts before assembly. Tighten
all threaded parts to recommended torque value.
IMPORTANT: Most parts have critical, high toler ­
ance surfaces. Use caution to prevent damage to
these surfaces during assembly. Protect exposed
surfaces, openings and ports from damage and
foreign material.
2. Install swashplate (Item 36) into housing. Make sure
swashplate control shaft is located on correct side of
housing (note marks made during disassembly). Install
Repairs
Figure 22
16. Screw
17. Trunnion cover
18. O-ring
19. Trunnion spacer
20. Shim
21. Roller bearing
22. O-ring
23. O-ring
24. Washer
25. Capscrew
26. Pump shaft
27. Ball bearing
28. Retaining ring
29. Lip seal
30. Seal carrier
swashplate roller bearings (Item 21) into housing and
onto swashplate trunnions. Install shims (Item 20) and
trunnion spacers (Item 19).
3. Install trunnion cover (Item 17) with o-ring (Item 18)
onto housing and over swashplate trunnion.
4. Use an arbor press to press a new seal (Item 34) into
trunnion seal cover (Item 35). Outer face of seal should
be pressed flush with outer surface of seal cover. Be
careful not to damage the seal.
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30. Seal carrier
31. O-ring
32. Retaining ring
33. Pump housing
34. Lip seal
35. Trunnion cover
36. Swash plate
37. Thrust plate
38. Cylinder block
39. Valve plate
40. Pin
41. Coupling
42. Plug
43. Pin
Groundsmaster
®
455-D