TM 10-3930-664-24 4. Carefully  remove  assembled  differential  gear  case (6) from axle housing (7). 5. Remove bearing cone (8) from gear case (6). 6. Remove    twelve    bolts    (9)    from    sprocket    (10). Remove    sprocket,    thrust    bearing    (11),    friction washer  (12),  and  differential  gear  (13)  from  gear case (6). NOTE Shafts (15, 16) are marked with a part number  on  one  end.    Holes  for  pins (14)   are   located      on      marked      end. Two      different   lengths   of   shaft   are used;   one   long   (15)   and   two   short (16). 7. Using  a  soft  head  hammer  and  pin  punch,  drive pins (14) fully into shafts (15, 16).  Depth from face of gear case (6) to top of pins shall be 41 mm (see figure). 8. Extract     shafts     (15,     16)     from     gear     case     (6). Remaining parts will fall loose into case. 9. Remove pins (14) from shafts (15, 16). 10. Remove shaft retainer (17), differential pinions (18), and friction washers (19) from gear case (6). B.  CLEANING Clean components in accordance with paragraph 1-24. C.  INSPECTION Inspect components in  accordance with paragraph 1-24. D.  INSTALLATION 1. Insert  long  shaft  (15)  part  way  into  gear  case  (6). Install one friction washer (19) and pinion gear (18) onto shaft. 2. Push   shaft   (15)   through   shaft   retainer   (17)   and install  second  pinion  gear  (18)  and  friction  washer (19). 4-88