Lower Pulley And Bearing Service - Toro Groundsmaster 455-D Service Manual

Lower Pulley and Bearing Service

NOTE: Always use new
coupler flange head screws
(Items 2 and 6) when
repairing PTO systems.
45 ft-lb
Apply Never-Seez
to spline and bearing mount
Loctite 242
Rotate in direction of
shaft rotation before
tightening setscrew
2
1
1. Socket head screw
2. Bearing collar
3. Set screw
4. Bearing
5. PTO shaft
6. Flange head screw
7. Flat washer
8. Hex washer head screw
9. Wire harness
10. J-clamp
11. Hex head bolt
12. Screw
13. Clutch adapter
14. Lower bearing housing
15. Lower bearing spacer
NOTE: A special tool (TOR4051) is required remove and
install the bearing locknut (Fig. 10, Item 30).
1. Remove PTO clutch (see PTO Clutch Removal and
Installation.
2. Loosen belt tension and remove PTO belts (see PTO
Belt Replacement).
Repairs
Apply Never-
Seez to bore
35 - 40 ft-lb
26
12
10
9
8
43
6 7
5
4
3
22
18
17
16
15
14
20
26
25
21 22 23 24
13
11
39
6
7
40
45 ft-lb
41
27
Loctite 242
42
30 - 35 ft-lb
Figure 10
16. Ball bearing
17. Lower pulley
18. Key
19. Belt set
20. Locknut
21. Spacer
22. Rubber mount
23. Special screw
24. Flange head screw
25. Wire cover
26. Thrust washer
27. Locknut
28. Flange head nut
29. Hex head capscrew
3. Remove four (4) locknuts (Fig. 10, Item 20) and
special screws (Item 23) securing lower bearing housing
(Item 14) to clutch plate (Item 34).
4. Remove lower bearing housing and pulley assembly.
5. Remove bearing locknut (Item 30) and lockwasher
(Item 32).
Page 7 - 10 Rev. E
19
29
22
27
32
28 27
30
10
31
8
27
26
33
23
38
34
37
36
8
30. Bearing locknut
31. Main wire harness
32. Lockwasher
33. Clutch spacer
34. Clutch plate
35. Belt cover
36. Flat washer
37. Clutch
38. Washer
39. Flange head screw
40. Rubber flange
41. Locknut
42. Washer
43. Grease fitting
Groundsmaster
150 - 200 ft-lb
16
29
22
35
®
455-D