TM 10-3930-659-34 4-66. FORKLIFT CONTROL VALVE REPAIR (Con’t). 11. Repeat  steps  4  through  9  for  carriage  tilt  valve (8). 12. Repeat  steps  4  through  9  for  fork/boom  valve (9). 13. Remove two plugs (38) and preformed packings (37)    from    carriage    tilt    valve    (8).        Discard preformed packings. 14. Remove two plugs (40) and preformed packings (39) from fork/boom valve (9). Discard preformed packings. 15. Remove plug (41), spring (42), shim (43), orifice (44), and valve (45) from inlet valve (10). 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 (38°C-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. •   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. 1. Clean metal parts with dry cleaning solvent and dry with compressed air. 2. Inspect parts for cracks, wear, and damage.  Replace damaged parts. 3. Inspect valve wear surfaces for wear and scoring.  Replace damaged valves. TA708420 4-270