TM  10-3930-643-34 GENERAL  SUPPORT  PROPELLER  AND  PROPELLER  SHAFTS  MAINTENANCE. 16-3. Rear Differential Carrier Assembly. (Sheet 2 of 12) DISASSEMBLY 1. 2. 3. 4. 5. NOTE Prior to disassembly of differ- ential  assembly,  backlash  of  gears must be measured and recorded. Steps 1 thru 3 are necessary only if gears are to be reused. Except  where  noted,  The  follow- ing  disassembly  procedure  for the  differential  assembly  is identical  for  both  vehicles  S/N 2001 to 2903 and S/N 2000 and below and 2904 Position  dial shown. Secure flange (30) back and and above. scale indicator as yoke and rotate gear forth. Record  backlash  as  indicated  on  dial scale indicator. Using a 1-1/2” socket and socket wrench  handle,  remove  flange  yoke. Using  side  cutting  pliers,  remove  two cotter pins (1) and adjustment rings (2) from carrier (51). Discard cotter pins (l). Go to sheet 3 16-20