TM 10-3930-669-34 8-6. INPUT SHAFT REPLACEMENT/REPAIR (CONT). WARNING Use care when removing or installing snap  and  retaining  rings.    Snap  and retaining rings are under spring tension   and   can   act   as   projectiles when released and could cause severe eye injury. (12) Remove  retaining  ring  (28)  and  pressure  plate (29) from input shaft (1). (13) Remove   friction   clutch   plates   (30)   and   steel clutch plates (31) from input shaft (1). (14) Remove  retaining  ring  (32),  spring  retainers  (33 and    34),    clutch    piston    (35),    and    preformed packing    (36)    from    input    shaft    (1).        Discard preformed packing. 8-44