TM 10-3930-669-34 8-5. OUTPUT SHAFT REPLACEMENT/REPAIR (CONT). (4) Using a puller, remove bearing (6) from transmission case (1). WARNING Transmission   case   weighs   200   lbs (91  kg).    Use  the  aid  of  an  assistant when moving transmission case. (5) With  the  aid  of  an  assistant,  place  transmission case (1) on side so that oil seal (7) is accessible. (6) Remove oil seal (7) from transmission case (1). Discard oil seal. 8-36