22 Meritor Differential Carrier 18X
2 Maintenance
Calculating the Preload Spacer *
Method for determining the correct preload spacer.
Follow the appropriate procedure below.
8. Fit a master spacer X (maximum size 23.520mm) into position
in the carrier (Fig.2.25).
9. Using a suitable tool (MST4804), press the outer bearing cone
on the pinion shaft firmly against the master spacer (Fig.2.24)
using a press load of 6 - 8 ton.
CAUTION:
When using a press to fit the outer bearing cone on the
pinion, always support the pinion head with a suitable block
of wood (Fig. 2.25). Failure to do this could result in damage
to the carrier casting or drive gear assembly.
NOTE: Do not use a standard flange and pinion nut for this
operation. Use a set up pinion nut.
Fig. 2.23
Fig. 2.24
Master Spacer
X
Wooden Block
Pinion Head Support
Fig. 2.25
Master Spacer
X
Outer
Bearing Cone
Wooden Block
Pinion Head Support
Pinion
* See appendix 9 of the available double spacers combination.
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