ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 5-1 CHAPTER 5 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS Section I.  TROUBLESHOOTING 5.1.  GENERAL SUPPORT TROUBLESHOOTING PROCEDURES. This section does not contain any troubleshooting information for locating and correcting operating engine troubles at the general support level.  General support is limited to the disassembly, cleaning, inspection and assembly of components after troubleshooting has already been accomplished.  Refer to Table 5-1 for maintenance procedures covered in this chapter.  For troubleshooting, refer to Table 3-1 for troubleshooting at the unit level and Table 4-1 for troubleshooting at the direct support level. NOTE Before using troubleshooting Tables 3-1 and 4-1, be sure you have performed your PMCS.  Prior to performing troubleshooting procedures within this manual, perform previous maintenance level troubleshooting procedures and TM 9-6115-671-14 troubleshooting procedures. Table 5-1.  Procedural Index for General Support Maintenance Subject Paragraph Fuel Injection Pump ...........................................................................................................................  5.3.1. Camshaft Assembly  ...........................................................................................................................  5.4.1. Idler Gears and Idler Gear Shafts  ......................................................................................................  5.4.2. Front Plate  .........................................................................................................................................  5.4.3. Crankshaft and Main Bearings  ..........................................................................................................  5.4.4. Pistons and Connecting Rods  ............................................................................................................  5.4.5. Cylinder Liners ..................................................................................................................................  5.4.6. Balancer Shaft Assembly....................................................................................................................  5.4.7. Cylinder Block ...................................................................................................................................  5.4.8. Oil Pump Assembly............................................................................................................................  5.4.9 Oil Bypass Valve Assembly ...............................................................................................................  5.4.10 Cylinder Head.....................................................................................................................................  5.4.11 Oil Pressure Regulating Valve Assembly Valve Seat.........................................................................  5.4.12 Section II.  MAINTENANCE PROCEDURES 5.2.  GENERAL. This section contains general support maintenance procedures.  Topics covered at this level include disassembly, cleaning, inspection and assembly of components.