Toro Greensmaster 3120 Service Manual page 276

Servicing the Rear Roller Brush (with or without a universal groomer) (continued)
1. Lock nut (2 each)
2. Brush shaft
3. J-bolt (2 each)
4. Brush element
5. O-ring (2 each)
6. Lock nut (2 each)
7. Cover
8. Bearing bracket RH
9. Socket head screw (4 each)
10. Flocked seal (3 each)
11. O-ring (2 each)
12. Bearing (2 each)
13. Retaining ring
14. Collar
15. Retaining ring (2 each)
DPA Cutting Units: Service and Repairs
Figure 133 (continued)
16. Bearing bracket LH
17. Drive housing
18. Spacer (as required)
19. Driven pulley
20. Lock nut
21. Torsion spring
22. Idler bushing
23. Socket head screw
24. Socket head screw (3 each)
25. Cover
26. Drive belt
27. Socket head screw (2 each)
28. Retaining ring
29. bearing
30. Idler pulley
Contact with the reel or other cutting unit parts can result in personal
injury. Use heavy gloves when handling the cutting reel.
Replacing the Roller Brush Element
1. Remove the cutting unit from the machine and place it on a level work
surface.
2. Remove the RH bearing bracket assembly.
3. Remove the brush element from the shaft.
4. Slide the new brush element onto the shaft while rotating the brush.
5. Install the J-bolts and lock nuts making sure the threaded portion of the
J-bolts are installed on the outside of the brush element. Tighten the lock
nuts from 2.3 to 2.8 N∙m (20 to 25 in-lb).
6. Apply a thin coating of grease to the O-rings on the brush shaft and install the
RH bearing bracket.
If brush to roller contact is incorrect, brush operation will be
adversely affected.
7. Check that the roller brush is parallel to the rear roller within 0.25 mm (0.010
inch) clearance to light contact. Adjust the bearing brackets as necessary.
Drive and Support Components
1. Disassemble the roller brush components as necessary. Retrieve and
discard the adapter housing O-ring (machines without a universal groomer).
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
CAUTION
IMPORTANT
Page 7–40
Drive pulley
Retaining ring
Flange nut (4 each)
Flange head screw (4 each)
Flange head screw
Adapter housing (used without
groomer)
O-ring
Cap screw (2 each)
Weight
Drive shaft (used without groomer)
Shim (used without groomer)
Drive adapter (used without
groomer)
Lock nut (2 each)
Direction of brush rotation
Greensmaster 3120
17230SL Rev C