TM 10-3930-669-34 (3)   Remove three studs (9) from cylinder head (1). (4)   Remove four studs (10) from cylinder head (1). b. 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. (1)   Clean parts in dry-cleaning solvent.  Dry parts using clean wiping rag. (2)   Inspect cylinder head for external damage or cracks.  Replace cylinder head if damaged or cracked. (3)   Inspect cylinder head parts for defects.  Replace defective parts. 3-43