TM 10-3930-669-34 4-5.  INJECTION PUMP REPLACEMENT (CONT). (13) Remove  screw  (27),  two  seals  (11),  and  oil  line (12) from injection pump (17).  Discard seals. (14) Remove three nuts (28), lock washers (29), fuel supply  pump  (4),  and  seal   (30)   from   injection pump   (17).      Discard   three   lock   washers   and seal. 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 all metal parts with dry-cleaning solvent and wipe dry with wiping rag. (2) Inspect all parts for breaks, cracks, burrs, and sharp edges. (3) Replace all damaged parts. c.   Installation. (1) Remove   two   screws   (31),   preformed   packing (32),    pump    cover    (33),    and    seal    (34)    from injection pump (17).  Discard seal and preformed packings. (2) Turn injection pump shaft (24) counter-clockwise until cylinder number one plunger (35) lifts. (3) Install  pump  cover  (33)  on  injection  pump  (17) with seal (34), two preformed packings (32), and screws (31).  Tighten screws to 7 Ib-ft (10 N•m). 4-20