Rear Axle 4Wd Motor Repairs - Toro Groundsmaster 455-D Service Manual

Rear Axle 4WD Motor Repairs (Fig. 30)
1. Capscrew
2. Back plate
3. O-ring
4. Bearing
5. Cam plate insert
Disassembly of Rear Axle 4WD Motor
1. Clean outside of motor thoroughly.
2. Clamp shaft in a protected jaw vise with back plate
end up.
3. Remove six capscrews (Item 1) from back plate
(Item 2).
4. Use a plastic mallet and tap the back plate (Item 2)
to loosen it.
5. Remove o-ring (Item 3) from back plate.
6. Remove complete rotating assembly (Item 14) from
housing assembly.
Repairs
Figure 30
6. Housing
7. Bearing
8. Retaining ring
9. Thrust race
10. Thrust bearing
DO NOT attempt to disassemble the spring and other
parts from the center bore of the cylinder block. The
entire rotating assembly (Item 14) should be replaced if
any of its components are damaged.
7. Remove camplate insert (Item 5) from housing.
8. Remove retaining ring (Item 13) from housing.
9. Remove spacer (Item 11) from housing.
10. Remove drive shaft (Item 12) with thrust bearing
from housing.
11. Remove retaining rings (Item 8) from shaft and
remove thrust races (Item 9) and thrust bearing
(Item 10).
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11. Spacer
12. Drive shaft
13. Retaining ring
14. Rotating assembly
Groundsmaster
®
455-D