Spicer Tandem Drive Axles Service Manual D__R440, 460, 480, D_R461, 462, 463, 521, 581, 601, 651, 652, 653 - Manual (Page 80)

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Wheel Differential Assembly
3. Place thrust washer and side gear in differential case.
4. Assemble side pinions and thrust washers on spider.
Place this assembly in differential case.
5. Place side gear and thrust washer in position on side
pinions.
6. Align punch marks and place plain case on case (with
pins). Install capscrews. Torque screws to 116-130
lbs. ft. (157-176 N•m).
Note: Turn side gear hub to check for free differential rotation.
Rotation may require up to 50 lbs. ft. (65 N•m).
7. Install idler pins and pinions.