TM 10-3930-659-34 4-19.  ENGINE OIL PUMP REPLACEMENT (Con’t). 4. Remove cover (8) from engine oil pump (2). 5. Remove outlet tube (1), nut (9), sleeve (10), and adapter (11) from engine oil pump (2). 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 1000F-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 cover, engine oil pump, and outlet tube with dry cleaning solvent and dry with clean rags. 2. Inspect parts for cracks, bends, warped  mating  surfaces,  and  damaged  threads.    Repair  damaged  threads  with die and tap threading set. 4-76