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Input Shaft/Pinion Gear
35 to 41 |
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| 1 | 18 |
(47 to 56 |
| 2 |
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3 |
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| 4 | 17 |
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| 6 | 5 |
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8 | 7 |
| 16 | |
9 |
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| 18 |
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| 15 | |
10 |
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10 |
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| 14 |
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9 |
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| 13 |
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11 |
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| 35 to 41 |
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| (47 to 56 | |
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| 12 |
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Figure 30
1. | Nut (2 used) | 7. | 13. | Shim | |
2. | Lockwasher (2 used) | 8. | Seal collar | 14. | Screw (2 used) |
3. | Stud (2 used) | 9. | Bearing | 15. | Gear case |
4. | Locknut | 10. | 16. | Gasket | |
5. | Stake washer | 11. | Input shaft/pinion gear | 17. | Cover plate |
6. | Oil seal | 12. | Bearing case | 18. | Dowel pin |
The following procedures assume the rear axle assem- bly has been removed from the machine (see Rear Axle Assembly Removal in this section).
Removal (Fig. 30)
1.Remove the cover plate, gasket and gear case as- sembly from the axle assembly. Remove the gasket and any remaining gasket material.
2.Remove the retaining rings and the driven gear from the input shaft/pinion gear.
3.Remove input shaft/pinion gear assembly from the gear case. Remove the shims and bearing case O- rings.
4.Release the stake washer and remove the locknut. Remove and discard the stake washer.
5.Drive the input shaft/pinion gear out from the outer bearing cone and bearing case. Remove and discard the oil seal and
6.Inspect all gears, shafts, bearings, spacers and cases for damage and wear. Replace components as necessary.
NOTE: Replacement input shaft/pinion gears are only available in matched ring and pinion sets.
Installation (Fig. 30)
NOTE: When installing new bearing cones, press only on the inner race of the bearing cone.
1.If the inner bearing cone was removed, press a new bearing cone all the way onto the input shaft/pinion gear.
2.Place the shaft and bearing assembly in the bearing case and install the outer bearing cone.
NOTE: The bearings must be completely seated. There should be no input shaft/pinion gear end play.
3.Coat a new oil seal with grease and install as shown (Fig. 31). The seal should be installed with the garter spring towards the hydraulic motor.
4.Coat new
5.Install a new stake washer. Install the lock nut finger tight.
6.Set the bearing preload by securing the bearing case in a vise. Thread a M12 x 1.5 hex head cap screw into the splined end of the input shaft/pinion gear and slowly tighten the locknut until 4 to 6
Axles, Planetaries and Brakes | Page 6 | Groundsmaster |