TM 10-3930-669-34 (18) Coat preformed packing (19) with clean transmission oil. (19) Install  preformed  packing  (19)  on  clutch  piston (17). (20) Coat preformed packing (18), clutch piston (17), spring  retainers  (16  and  15),  and  retaining  ring (14) with clean transmission oil. (21) Install preformed packing (18) on input shaft (1). (22) Install clutch piston (17) in input shaft (1). (23) Install spring retainers (16 and 15) on input shaft (1)   and   clutch   piston   (17).      Springs   of   spring retainer  (16)  should  fit  in  spring  bores  of  clutch piston (17). 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. (24) Install retaining ring (14) on input shaft (1). 8-49