TM 10-3930-659-34 5-13.  TRANSMISSION OUTPUT SHAFT ASSEMBLY REPLACEMENT (Con’t). 30. Install  setscrew  (12),  bushing  (11),  and  backing  plate  (10)  on  transmission  assembly  (1)  with  washer  (9)  and screw (8). 31. Install screw (2) on backing plate (10). 32. Install new preformed packing (4) on yoke (3). 33. Install yoke (3) on transmission assembly (1) with spacer (5) and two screws (6). 34. Install new locking strap (7) on two screws (6). FOLLOW-ON TASKS: •    Install parking brake (see TM 10-3930-659-20). •    Install transmission clutch packs and idler gear (see paragraph 5-12). TA708312 5-132