TM 9-2815-225-34&P 3-55.  FUEL INJECTOR TESTING; TEST NO. 3 (Contd) LOCATION/ITEM ACTION REMARKS d.  Adjusting and Measuring Fuel Delivery (Contd) 46. Burnishing tool (51) Install on test stand fuel inlet connector (30). 47. Burnishing tool needle (50) Retract by pulling small knob With needle (50) retracted, (49) out. burnishing tool (51) may be left in adapter during all test operations. 48. Fuel inlet connector (30) Connect to adapter (28) inlet hole. Connect by turning in large knob (48). 49. Fuel drain connector (33) Turn screw on adapter (28). 50. Injector assembly (39) Run through test cycle. Check cc delivery.  If 600 stroke delivery is lower than 175-176 cc with top-stop set at 0.224 in. (5.670 mm), turn knob with indi- cator point until it is spaced 0.375 in. (9.525 mm) from large knob. 3-376