Spicer Tandem Drive Axles Service Manual D170, D190, and D590 Series - Manual (Page 54)

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Wheel Differential
11. Lower assembled differential assembly in to the
carrier using a hoist and a strap. Be careful not
to damage the differential bearings lowering
the assembly.
12. Install the bearing cup and bearing adjuster
to the flange half side first.
13. Install the bearing cup and bearing adjuster to the
plain half side. Use a long screwdriver or bar to lift
the differential up while installing the cup and
bearing adjuster.
1 - Flange Half
2 - Plain Half
1
2