TM 10-3930-659-34 5-17. DIFFERENTIAL ASSEMBLY MAINTENANCE (Con’t). 7. Using  suitable  lifting  device,  lift  rear  differential assembly  (20)  enough  to  remove   weight   from bearing quills (21). NOTE Mark shims and respective bearing quills to aid during assembly. 8. Remove 12 nuts (26), screws (22), washers (23), two bearing quills (21), bearing cups (25), and shims (24) from rear differential housing (10). 5-167