TM  9-2815-202-34 4-12.  FUEL  PUMP  REPLACEMENT  (Cont) c. d. Cleaning/inspection (1) Clean all parts with fuel oil. WARNiNG Compressed  air  used  for  cleaning purposes  will  not  exceed  30  PSI. Use  only  with  effective  chip guarding  and  personal  equipment (goggles/shieid,   gloves,   etc.). (2) (3) (4) Dry all parts with compressed air. Inspect drive gear and drive shaft for scoring, burrs, or wear. Inspect  driven  gear  assembly  for scoring, burrs, or wear. NOTE Any  slight  damage  on  fuel  pump  body and  pump  body  cover  sealing  surfaces may  result  in  pressure  leaks. (5) Inspect fuel pump body and pump body  cover  carefully  for  scratches, nicks,  or  burrs. (6) inspect relief valve for scoring or burrs. Assembly (1) Lubricate oil seals (20) with a thin coat of clean engine oil or vegetable shortening. NOTE Install new oil seals with seaI lips facing each other. Refer to illustration  on  right. (2) Support fuel pump body (8) on wood blocks.  Using  installer  (24),  install inner oil seal (20) into fuel pump body (8). (3) Using adapter (25), install outer seal (20) into fuel pump body (8). (4) Lubricate outside diameter of relief valve (18) with clean engine oil. Insert valve into fuel pump body (8) with hollow end of valve facing  outward. 4 - 42  Change 1