Quantcast 3-29.  FUEL INJECTION NOZZLE

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ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 d. If marks are not aligned, disconnect fuel lines from pump and loosen mounting nuts (7, FIGURE 3-91). e. Rotate pump counterclockwise (viewed from flywheel end) and then in opposite direction until timing marks on cam ring and governor weight retainer are aligned. f. Tighten mounting nuts (7) to 20 ft-lbs (27 Nm). g. Install timing hole cover plate (10, FIGURE 3-91) with new gasket (11).  Install screws (12) and torque to 17 in- lbs (2 Nm). h. Connect  injection  pump  pressure  lines.    Start  with  outlet  for  one  fuel  injection  line  (12,  FIGURE  3-41)  and continue around pump head in counterclockwise direction, attaching lines in same order as engine firing (1 -3-4- 2). CAUTION When  tightening  fuel  pressure  lines  at  fuel  Injection  pump,  be  sure  not  to  turn  fuel  Injection pump fittings.  Turning of these fittings may cause internal pump damage. i. Tighten fuel injection lines at pump to 20 ft-lbs (27 Nm). j. Connect fuel return line and fuel supply line to pump. k. Connect throttle control system, refer to end item maintenance manual. 3-29.  FUEL INJECTION NOZZLE 3-29.1.  Removal. Warning Compressed air used for cleaning can create airborne particles that may enter the eyes.  Pressure will not exceed 30 psig (207 kPa).  Eye protection required. NOTE Before removal, carefully remove all dirt from cylinder head around fuel injection nozzles.  Clean with compressed air to prevent dirt from entering cylinders or valve seats.  Plug bore in cylinder head after each fuel injection nozzle has been removed.  Cap fuel line openings as soon as they are disconnected. NOTE Immediately fit protective caps over nozzle tips and line connections to avoid handling damage. NOTE Do not bend fuel delivery lines, as this may affect their durability.  When loosening fuel pressure lines, hold male union of nozzle line stationary with a second wrench. a. Loosen coupling nut (3, FIGURE 3-92) and remove tee (1) from nozzle (5).  Remove and discard grommet (2). Change 2   3-123


 


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