TM 10-3930-669-34 (18) Remove eight  screws  (43),  lock  washers  (44),  four  screws  (45),  lock  washers  (46),  cover  (47),  and  gasket  (48) from transmission case (49).  Discard lock washers and gasket. b.  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, and sharp edges. (3) Inspect gears for chipped, cracked, or broken teeth. (4) Replace all damaged parts. 8-27