ARMY TM 9-2815-257-24 AIR FORCE TO 38G1-128-2 MARINE CORPS TM 10155A/2815-24/3 4-1 CHAPTER 4 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS Section I   REPAIR PARTS; TOOLS; SPECIAL TOOLS; TEST, MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE); AND SUPPORT EQUIPMENT ..............................................................................4-2 4-1 Common Tools and Equipment ...............................................................................4-2 4-2 Special Tools, TMDE, and Support Equipment ......................................................4-2 4-3 Repair Parts..............................................................................................................4-2 Section II SERVICE UPON RECEIPT OF EQUIPMENT......................................................4-3 4-4 General.....................................................................................................................4-3 Section III DIRECT SUPPORT LEVEL TROUBLESHOOTING PROCEDURES ................4-4 4-5 General.....................................................................................................................4-4 4-6 Troubleshooting.......................................................................................................4-4 Section IV DIRECT SUPPORT MAINTENANCE PROCEDURES........................................4-7 4-7 Governor Control Maintenance ...............................................................................4-7 4-8 Cylinder Block Maintenance ...................................................................................4-9 4-9 Rocker Arm Assembly Maintenance .....................................................................4-12 4-10 Oil Pump Maintenance ..........................................................................................4-14 4-11 Fuel Injection Pump Maintenance .........................................................................4-17