Chapter 4. FUEL SYSTEM MAINTENANCE - TM-9-2320-366-20-30529

TM 9-2320-366-20-3

FUEL SYSTEM MAINTENANCE

RESTRICTED MAINTENANCE NOTICE

Units not authorized SC 4910-95-CL-A72 (SHOP EQUIPMENT, COMMON NO. 2) in their T.O.E. may

be unable to perform some of the maintenance tasks described in this chapter. If the required tools

are not authorized, the equipment must be submitted to DS Maintenance for repair.

Section I. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4-1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Section II. MAINTENANCE PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . 4-2

4-2. INTAKE AIR CLEANER FILTER ELEMENT, AIR CLEANER ASSEMBLY, AND PARTICLE

EXTRACTION TUBE REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. 4-2

4-3. FUEL PRESSURE REGULATING VALVE REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . .

4-25

4-4. TURBOCHARGER TO CHARGE AIR COOLER TUBE AND HOSES REPLACEMENT . . . .

4-28

4-5. CHARGE AIR COOLER TO AIR INLET ELBOW TUBES AND HOSES REPLACEMENT . .

4-31

4-6. FUEL RATIO CONTROL TUBE REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-38

4-7. ORIFICE TUBE ASSEMBLY REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-41

4-8. FUEL TANK AND BRACKETS REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-43

4-9. FUEL HOSES REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-51

4-10. FUEL FILTER TUBES REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-61

4-11. FUEL SYSTEM BLEEDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-68

4-12. GOVERNOR LINKAGE REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-70

4-13. FUEL/WATER SEPARATOR AND FILTER REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . .

4-73

4-14. FUEL FILTER AND FILTER BASE REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-77

4-15. ETHER STARTING AID REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-82

4-16. THROTTLE POSITION SENSOR (TPS) CABLE ASSEMBLY REPLACEMENT . . . . . . . . .

4-85

4-17. HAND THROTTLE LEVER REPLACEMENT/ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . .

4-88

4-18. THROTTLE CONTROL CABLE REPLACEMENT/ADJUSTMENT . . . . . . . . . . . . . . . . . . .

4-90

4-19. THROTTLE CONTROL THREADED ROD REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . .

4-97

4-20. THROTTLE CONTROL LEVER REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-100

4-21. ACCELERATOR PEDAL REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-103

4-22. CHECKING AND STENCILING HIGH/LOW HAND THROTTLE POSITIONS . . . . . . . . . . .

4-104

Section I. INTRODUCTION

4-1. INTRODUCTION

This chapter contains maintenance instructions for replacing, repairing, and adjusting fuel system components

authorized by the Maintenance Allocation Chart (MAC) at the Unit Maintenance level.

Change 1

4-1