TM 10-3930-669-34 8-3.  TRANSMISSION REPLACEMENT (CONT). c. Installation. WARNING Transmission   weighs   319   lbs   (145   kg).      Attach   suitable   lifting   device   prior   to   removal   or installation to prevent possible injury to personnel. (1) Attach     lifting     device     to     front     and     rear     of transmission (13). CAUTION Do not force transmission on engine. Splines   of   transmission   shaft   must match up with torque converter splines.    When  splines  are  lined  up, transmission    will    install    easily.        If transmission    is    forced    or    handled roughly, damage to transmission may occur. NOTE It may be necessary to rock transmission    during    installation    to line   up   splined   transmission   shafts with splines in torque converter. (2) With the aid of an assistant, install transmission (13) on engine (4) with twelve washers (15) and screws   (14).      Tighten   screws   to   49   lb-ft   (66 N•m). (3) Remove lifting device from transmission (13). 8-18