TM  10-3930-638-24&P 4-3.   FUEL   SYSTEM   MAINTENANCE   (cont) b. Fuel Injection Pump (cont). STEP LOCATION INSPECTION   (cont) 19 20 ITEM Transfer a. Blades EXAMINE FOR X X X pump (104) b. Liner X (103) Governor a.  Pivot X shaft (60) b.   Arm   (56)   X X X X X X X X X X X X SPECIFICALLY INSPECT Check for chipping on all edges, including spring bore edges for pitting, im- bedded  foreign  particles or scoring on rounded’ edges. Determine blade wear by measuring length (0.538 inch minimum). Inspect flat surfaces visual- ly for deep scores (see il- lustration).  If  any  dis- crepancies  are  noted,  re- place blade sets and spring Inside diameter in low pres- sure area for wear Chipped or worn knife edge Points of contact with thrust sleeve and pivot shaft for excessive  wear 4-112