Wheel Motor Service - Toro ProCore 648 Service Manual

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Wheel Motor Service

1. Dust seal
2. Housing
3. O–ring
4. Shaft seal
5. Axial needle bearing
6. Bearing race
7. Needle bearing
8. Shaft
NOTE: The three wheel motors on the ProCore 648 are
similar in construction but are different from each other.
The front wheel motor (24 c.i. per revolution) has a differ-
ent displacement than the rear motors and has a count-
er–clockwise direction for the forward direction. The
right and left rear wheel motors have the same displace-
ment (12 c.i. per revolution) but have different rotation
for the forward direction: the right rear has a clockwise
drive direction for forward and the left rear has a count-
er–clockwise direction. Displacement and primary rota-
tion (forward) direction are identified on the motor name
plate.
Hydraulic System
1
2
8
9
10
16
18
17
Figure 37
9. O–ring
10. Spring washer
11. Balance plate
12. Disc valve
13. Needle bearing
14. Bearing race
15. Distributor plate
NOTE: For repair of the wheel motors, see the SAUER
DANFOSS OMEW HYDRAULIC MOTOR SERVICE
MANUAL at the end of this chapter.
Page 4 – 44
3
4
6
5
6
7
11
12
13
14
15
19
20
22
21
16. Cardan shaft
17. O–ring
18. Gearwheel set
19. End cover
20. Name plate
21. Washer (7 used)
22. Cap screws (7 used)
ProCore 648

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