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