TM 10-3930-664-24 D.  INSTALLATION 1. Install   seals   (49,   50)   onto   clutch   piston   (48). Inner  seal  (50)  must  be  sized  before  installing piston.    Hold  a  round    object  against  new  seal and rotate piston until seat is flush with groove. CAUTION Use  care  when  installing  piston  (48)  to prevent damage to seals. 2. Install clutch piston (48) and wear plate (47) onto shaft (27). NOTE Disc washers are installed as a set.  Do not intermix with sets from other clutches.      Replace   disc   washers   as   a set. 3. Install  first  disc  washer  (46)  with  large  diameter of    bevel    toward    wear    plate    (47).        Alternate remaining   four   disc   washers.      Install   retainer (45). 4. Compress   disc   washers   (47)   and   install   snap ring (44) into ring groove. 5. Install five inner discs (42), five outer discs (43), and clutch end plate (41) onto shaft (27). 6. Install snap ring (40) into ring groove. 7. Install inner thrust washer (39), bearing (38), and outer thrust washer (37) onto shaft (27). 8. Press  bearings  (35,  34)  into  gear  and  bearing assembly (36).  Bearing must be flush with face of gear on both sides. 9. Carefully install gear and bearing assembly (36) onto shaft (27).  Align gear teeth with clutch inner discs.        Press    down    on    gear    and    bearing assembly  until  fully  seated.    Do  not  force  this operation. 10. Install inner thrust washer (33), bearing (32), and outer thrust washer (31) onto shaft (27). 11. Using   pliers,   install   snap   rings   (30)   into   ring grooves. 4-56