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Pinion disassembly – Spicer Tandem Drive Axles Pro-40 Single Reduction and Single Reduction with Differential Lock User Manual

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Rear Assembly

Rear Assembly

Pinion Disassembly

1. Remove yoke nut.

2. Remove yoke using a yoke puller service tool.

1 - Yoke puller

3. Remove oil seal.

4. Place carrier in a press with threaded end of pinion

face up.

5. Place a wood block under pinion to avoid damage to

gear teeth.

1 - Press

2 - Outer bearing

3 - Inner bearing

4 - Wood block

5 - Drive pinion

6 - Bearing preload spacer

6. Press pinion through outer bearing and out of carrier

casting.

7. Remove bearing preload spacer and save for use in

reassembly.

8. Remove inner bearing cone from pinion using a

split-type puller. Use two procedure steps to remove
each bearing.

a. Mount puller vertically to separate the bearing. This

action will force puller halves under bearing and start
moving bearing off pinion.

b. Mount puller horizontally to press pinion out of bear-

ing.

1 - Press

9. If bearings are to be replaced, remove bearing cups

from carrier casting at this time. Pinion removal
complete.

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