TM 10-3930-669-34 15-3. STACK VALVE REPLACEMENT/REPAIR (CONT). 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. (1) Clean all metal parts with dry-cleaning solvent and wipe dry with wiping rags. (2) Do not allow Dry-cleaning solvent to come in contact with rubber components. (3) Inspect all parts for breaks, cracks, burrs, and sharp edges. (4) Replace all damaged parts. d. Assembly. NOTE Coat  all  components  with  hydraulic oil before assembly. (1) Install   two   preformed    packings    (89) and    check    valves    (88)    in    mid-inlet (68). 15-20