TM 10-3930-664-24 D.   INSTALLATION 1. Install  seals  (18,  19)  onto  clutch  piston  (17).    Inner seal   (19)   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  (17) to prevent damage to seals. 2.    Install  clutch  piston  (17)  and  wear  plate  (16)  onto shaft (2). 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  (13)  with  large  diameter  of bevel  toward  wear  plate  (16).    Alternate  remaining four disc washers.  Install retainer (15). 4. Compress  disc  washers  (13)  and  install  snap  ring (14) into ring groove. 5. Install five inner discs (11), five outer discs (12), and clutch end plate (10) onto shaft (2). 6. Install snap ring (9) into ring groove. 7. Install inner thrust washer (8), bearing (7), and outer thrust washer (6) onto shaft (2). 4-68