973
Model Code Page
64. Powered front axle
8. 11. 1990
6000--8750 642 1
Drive shafts (Op. no. 642)
1. Reconditioning drive shafts
A. Changing outer oil seal and ball bear-
ing.
1. Raise the tractor front end and place axle stands under the
tractor. Drain the oil from the hub.
2. Disconnect the tie rod from the steering arm.
3. Support the hub with a suitable hoist and remove the king
pins. Carefully pull out the hub fromtheaxlehousing; thedrive
shaft will also be loosened.
Note! Do not damage the drive shaft inner oil seal. King pins
can be removed by using a standard extractor e.g. Kukko
22---1 (see page 640/3)
4. Unscrew the planetary gear housing screws and pull the
planetary gear unit out from the hub.
5. Unscrew the ring gear attaching bolts and pull out the ring
gear using puller sc rews (M8).
6. Remove the drive shaft circlip and spacer ring and knock
out the drive shaft from the hub.
7. Pry out the drive shaft outer seal from the hub. Remove the
ball bearing circlip and the bearing. Fit a new bearing; push it
righthome againstthe bottom of thehousing and fit thecirclip.
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