TM  5-2815-241-34&P FUEL INJECTOR - CONTINUED ACTION LOCATION ITEM REMARKS INSPECTION  -  CONTINUED 12. Barrel (1) Plunger  bore  (2) and check ball seat  (3) a. Using  magnifying  glass,  inspect  plunger bore for scoring. If  scoring  exists,  replace  plunger  and barrel. b. Inspect surface at each end for burrs or scratches. If  burrs  or  scratches  exist,  replace plunger  and  barrel. c. Inspect check ball seat for nicks or burrs. If  nicks  or  burrs  exist,  replace  plunger and  barrel. d. Inspect fuel passage plugs for loose- ness,  and  barrel  for  cracks. If  looseness  or  cracks  exist,  replace plunger  and  barrel. 13. Check  ball  (4) Inspect check ball for any wear or damage. If  damage  or  wear  exists,  replace  the check  ball. T A    2 4 2 5 7 7 2-358