Service Manual

Groundsmaster 4300--DHydraulic System Page 4 -- 84
Wheel Motor Service
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
9. Vane (7 used)
10. Rotor
11. Wear plate
12. Drive link
13. Thrust bearing
14. Coupling shaft
15. Thrust bearing
16. Thrust washer
17. Inner bearing
18. Shaft seal
19. Back--up washer
20. Back--up ring
21. Housing
22. Outer bearing
23. Dirt and water seal
Figure 76
(61to75N--m)
45 to 55 ft--lb
4
3
1
2
9
10
11
8
5
6
7
12
3
3
3
3
13
14
15
16
17
18
19
20
21
22
23
NOTE: The front wheel motors on Groundsmaster
4300--D machines are Parker Torqmotor
TM
TG Series.
The rear wheel motors are Parker Torqmotor
TM
TL Se-
ries.Right and leftmotors arethe samebasic designbut
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
ParkerTorqmotor
TM
ServiceProcedure (TC, TB,TE,TJ,
TF, TG, TH and TL Series) at the end of this chapter.
IMPORTANT: If a wheel motorfailure 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.