TM 10-3930-659-34 5-12. TRANSMISSION CLUTCH PACKS AND IDLER GEAR MAINTENANCE (Con’t). e. INSTALLATION NOTE Shims    and    thrustwashers    are    loose.        Remove    from    clutch    packs    for    later installation. 1. Using  a  suitable  lifting  device,  insert  third/fourth gear  clutch  pack  (18)  through  transmission  oil feed  flange  bore  (16)  in  transmission  assembly (1). 2. Aline third/fourth gear clutch pack (18) and install shaft alinement tool. 3. While holding shaft alinement tool, turn transmission  assembly  (1)  until  transmission  oil feed flange bore (16) is pointing upward. 4. Lower   shaft   alinement   tool   and   position   two thrustwashers   (67   and   68)   and   shim   (66)   in transmission assembly (1). 5. Using  shaft  alinement  tool,  hold  shim  (66)  and two thrustwashers (67 and 68) in place, and turn transmission 180°. 6. Remove shaft alinement tool. TA708294 5-113