Wheel Motor Service - Toro GroundsmasterR 4300-D Service Manual

Wheel Motor Service

21
22
23
3
1. Cap screw (7 used)
2. End cover
3. Body seal (5 used)
4. Commutator ring
5. Commutator
6. Commutator ring
7. Manifold
8. Stator
NOTE: The front wheel motors on Groundsmaster
4300--D machines are Parker Torqmotor
The rear wheel motors are Parker Torqmotor
ries. Right and left motors are the same basic design but
the right side motors have a reverse timed manifold to
allow correct rotation direction for forward and reverse.
NOTE: For wheel motor repair procedures, see the
Parker Torqmotor Service Procedure (TC, TB, TE, TJ,
TM
TF, TG, TH and TL Series) at the end of this chapter.
Hydraulic System
15
16
17
18
19
20
10
8
9
3
11
Figure 76
9. Vane (7 used)
10. Rotor
11. Wear plate
12. Drive link
13. Thrust bearing
14. Coupling shaft
15. Thrust bearing
16. Thrust washer
TG Series.
TM
TL Se-
TM
Page 4 - - 84
14
4
5
6
3
7
3
17. Inner bearing
18. Shaft seal
19. Back- -up washer
20. Back- -up ring
21. Housing
22. Outer bearing
23. Dirt and water seal
IMPORTANT: If a wheel motor failure occurred, refer
to Traction Circuit Component Failure in the Gener-
al Information section for information regarding the
importance of removing contamination from the
traction circuit.
12
13
1
2
3
45 to 55 ft- -lb
(61 to 75 N- -m)
Groundsmaster 4300--D