TM 10-3930-671-24 3-38. INSULATION REPLACEMENT. a. Removal. NOTE Note location and fit of each piece of insulation prior to removal. (1) Remove three pieces of insulation (1) from overhead guard (2) (2) Raise and lock top hood (3) in place (TM 10-3930-671-10). (3) Remove four pieces of insulation (4) from top hood (3). WARNING • Drycleaning  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 flash point for type 1 drycleaning solvent is 100°F (380C) and for type II is 140°F (60°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. (4) Clean surface of overhead guard (2) and top hood (3) thoroughly with drycleaning solvent. 3-112