TM 9-2815-225-34&P 3-63. FUEL PUMP TESTING AND CALIBRATION (Contd) LOCATION/ITEM ACTION REMARKS c.  Mounting Fuel Pump to Test 3. Fuel damper and head Remove. Refer to para.  3-58. 4. Fuel damper from 5-ton Install on gear pump (47). Make sure to plug fuel damper injection pump (62) outlet with suitable plug. 5. Case fill plug (44) a.  Remove from fuel pump main housing (51). b.  Fill main housing (51) with clean calibration fluid. c.  Install case fill plug (44) into Tighten enough to make main housing (51). sure no leakage will occur during air test. NOTE If the throttle shaft cover has not already been removed, remove to gain access to the no-air adjustment  screw.    Adjusting  the  screw  is  necessary  to  properly  calibrate  fuel  pump. Complete steps 6 through 10 to remove the throttle shaft cover. 6. Two screws (49) Carefully remove from Use channel-lock pliers throttle shaft cover (52). or chisel to remove screws (49). Use care to prevent damage to fuel pump main housing (51). 3-466