TM 10-3930-659-34 4-5. CYLINDER HEAD ASSEMBLY REPLACEMENT (Con’t). b. CLEANING AND INSPECTION WARNING Dry  cleaning  solvent,  P-D-680,  is  toxic  and  flammable.    Always  wear  protective goggles  and  gloves,  and  use  only  in  a  well-ventilated  area.    Avoid  contact  with skin,  eyes,  and  clothes,  and  DO  NOT  breathe  vapors.    DO  NOT  use  near  open flame or excessive heat.  The solvent's flash point is 100°F-138°F (380C-590C).  If you  become  dizzy  while  using  cleaning  solvent,  immediately  get  fresh  air  and medical  help.    If  solvent  contacts  eyes,  immediately  wash  your  eyes  and  get medical aid. 1. Clean all remaining gasket material from engine block with dry cleaning solvent and dry with clean rags. WARNING Compressed air used for cleaning or drying purposes, or for clearing restrictions, should  never  exceed  30  psi  (207  kPa).    Wear  protective  clothing  (goggles/shield, gloves, etc.) and use caution to avoid injury to personnel. 2. Clean all loose debris from engine block using compressed air. c. INSTALLATION 1. Attach suitable lifting device to cylinder head (2) and raise lifting device enough to support weight of cylinder head. 2. Position new gasket (3) on engine block (4). 4-16