Spicer Tandem Drive Axles Service Manual D__R440, 460, 480, D_R461, 462, 463, 521, 581, 601, 651, 652, 653 - Manual (Page 39)

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Power Divider
Power Divider
Disassemble Inter-axle Differential
1. Punch mark differential case halves for correct posi-
tion during reassembly.
2. Remove lock nuts and bolts. Separate case halves
and remove thrust washers, side pinions, bushings
and spider.
Note: Side pinion bushings are not used on tandem models
equipped with lube pumps built after November 1, 1991.
Use when originally equipped.
Assemble Inter-axle Differential
1. Install bushings, side pinions and thrust washers on
inter-axle differential spider. Pre-lube all components
at time of assembly.
2. Install spider assembly in one differential case half,
align punch marks and install other case half. Secure
assembly with bolts and lock nuts. Torque to 17-23
lbs. ft. (23-31 N•m).
Note: Side pinion bushings are not used on tandem models
equipped with lube pumps built after November 1, 1991.
Use when originally equipped.
1 - Punch marks
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1