ARMY TM 9-2815-254-24 AIR FORCE TO 38G1-94-2 o. Service engine cooling and lubrication systems, refer to end item maintenance manual. p. Bleed air from fuel system, refer to paragraph 3-12. q. Operate engine and check for leaks. 3-12.   BLEEDING   AND   PRIMING   FUEL   SYSTEM. 3-12.1. a. Loosen priming pump cap on fuel injection pump. b. Prime fuel injection pump several times. c. Loosen bleeder screw (40, FIGURE 3-8) on fuel injection pump. Fuel is flammable. Keep fuel away from heat and open flame. Failure to observe this warning could result in severe personal injury or death. N O T E Drain fuel into suitable container. d. Operate  priming  pump  (20,  Figure  3-7)  until  no  more  bubbles  are  visible  in  fuel  being  discharged  from  bleeder screws. e. Retighten bleeder screws and priming pump cap securely after bleeding. 3-13. FUEL  lNJECTlON  PUMP  TIMING. 3-13.1.  Checking  Procedure. a. Check  that  notched  line  on  injection  pump  fixing  flange  is  aligned  with  injection  pump  mounting  flange’s notched line. b. Align crankshaft pulley TDC mark with pointer. c. Rotate crankshaft pulley counterclockwise approximately 30 degrees. d. Disconnect injection pipe from delivery valve No. 1. 3-65