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). 4-72