Spicer Tandem Drive Axles Service Manual D170, D190, and D590 Series - Manual (Page 51)

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Wheel Differential
6. Remove the bearing cones from the plain and flange
halves in two steps:
a. Mount the puller vertically to split the bearing.
This action will start the bearing moving off the
differential case.
b. Mount the puller horizontally to remove the cone.
Wheel Differential