TM 10-3930-669-34 (15) Remove   preformed   packing   (37)   from   clutch piston (35).  Discard preformed packing. c. Cleaning/Inspection. 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. (6) Measure length of all springs of two spring retainers.  Discard spring retainers that have springs measuring less than .96 in (24.38 mm). 8-57