TM 10-3930-669-34 (15) Remove    preformed    packing    (37)    from clutch   piston   (35).      Discard   preformed packing. c. Cleaning/lnspection. WARNING • Dry-cleaning  solvent  (P-D-680)  is  TOXIC  and  flammable.    Wear  protective  goggles  and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and clothes; and do not breathe vapors.  Keep away from heat or flame.  Never smoke when using solvent; the flashpoint for type I dry-cleaning solvent is 100°F (38°C) and for type II is 138°F (50°C). Failure to do so may result in injury or death to personnel. • If  personnel  become  dizzy  while  using  cleaning  solvent,  immediately  get  fresh  air  and medical help.  If solvent contacts skin or clothes, flush with cold water.  If solvent contacts eyes, immediately flush eyes with water and get immediate medical attention. CAUTION Allow  all  parts  to  air  dry.    Do  not  use  a  cloth  or  shop  towel.    Lint  can  get  into  transmission circuit and cause damage. (1) Clean all metal parts with dry-cleaning solvent and allow parts to air dry. (2) Inspect all parts for breaks, cracks, burrs, sharp edges, and signs of overheating. (3) Inspect gears for chipped, cracked, or broken teeth. (4) Inspect springs for distortion, cracks, and other damage. (5) Inspect clutch plates for unusual wear patterns, overheating, and warping. 8-45