TM  10-3930-643-34 GENERAL  SUPPORT  TRANSMISSION  MAINTENANCE.  (cont) 15-3. Transmission Assembly. (Sheet 24 of 26) ASSEMBLY  (cont) 179. 180. 181. 182. 183. 184. 185. 186. 187. Using a 9/16”   socket and torque wrench, install six bolts (65). Tighten six bolts (65) to 25-30 in-lb. Rotate  shaft  (132)  several  times. Tighten six bolts (65) to 50 in-lb. Rotate  shaft  (132)  several  times. Using a feeler gage measure gap between using and retainer (67) at each screw. If readings are different, take the two numbers and divide by two. Add .020 inch. Make shim (69) or shims equal to that thickness. Using  a  9/16  socket  and  socket  wrench handle, remove six bolts (65). Position shim (69) and retainer (67). Install six lock washers (66) and bolts (65). Go to sheet 25 15-46