TM 10-3930-669-20 CHAPTER 4 FUEL SYSTEM MAINTENANCE Para Contents Page 4-1 Introduction  ........................................................................................................................... 4-1 4-2 Injector Replacement.............................................................................................................. 4-2 4-3 Fuel Supply Pump Replacement ............................................................................................ 4-4 4-4 Air Cleaner Assembly Replacement/Repair ............................................................................ 4-6 4-5 Fuel Pipe Replacement  ......................................................................................................... 4-10 4-6 Fuel Filler Tube Replacement................................................................................................. 4-17 4-7 Governor Adjustment  ............................................................................................................ 4-19 4-8 Fuel Filter Replacement ......................................................................................................... 4-22 4-9 Fuel Filter Head Replacement  ............................................................................................... 4-24 4-10 Fuel/Water Separator Replacement/Repair ............................................................................ 4-27 4-11 Throttle Pedal Replacement  .................................................................................................. 4-35 4-12 Throttle Cable Replacement/Adjustment................................................................................. 4-38 4-13 Oil Filter Tray Replacement ................................................................................................... 4-42 4-1.  INTRODUCTION. This chapter contains maintenance instructions for removing, installing, repairing, and testing fuel system components as authorized by the Maintenance Allocation Chart (MAC) at the Unit Maintenance level. 4-1

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