CHAPTER 1 INTRODUCTION - TM-9-6115-644-24_17FIGURE 1-1. Generator Set, 30 kW, Tactical QuietEQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIRS).GENERAL - TM-9-6115-644-24_20TABLE 1-1. Tabulated Data - Continued - TM-9-6115-644-24_21TABLE 1-1. Tabulated Data - Continued - TM-9-6115-644-24_22TABLE 1-1. Tabulated DataTABLE 1-1. Tabulated Data - Continued - TM-9-6115-644-24_24DIFFERENCES BETWEEN MODELS - TM-9-6115-644-24_25TABLE 1-2. Performance Characteristics - Continued - TM-9-6115-644-24_26Fuel Float Switch ModuleFIGURE 1-2. Fault System Generator Set Cooling System - TM-9-6115-644-24_29FIGURE 1-3. Generator Set Fuel System - TM-9-6115-644-24_30FIGURE 1-4. Generator Set Cooling SystemFIGURE 1-5. Engine Cooling System - TM-9-6115-644-24_32Engine Air Intake and Exhaust SystemFIGURE 1-6. Engine Lubrication SystemFIGURE 1-7. Engine Air Intake and Exhaust SystemFIGURE 1-8. Output Supply System - TM-9-6115-644-24_36Generator Set Controls.FIGURE 1-9. Engine Starting SystemShutdown. - TM-9-6115-644-24_39FIGURE 1-10. Governor Control SystemFIGURE 1-11. Voltage Regulation System - TM-9-6115-644-24_41LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - TM-9-6115-644-24_42FIGURE 1-12. Generator Set Components - TM-9-6115-644-24_43CONVENIENCE RECEPTACLE - TM-9-6115-644-24_44CHAPTER 2 UNIT MAINTENANCE INSTRUCTIONS - TM-9-6115-644-24_45Fuel Tank.TABLE 2-2. FuelGENERATOR SET INSTALLATION - TM-9-6115-644-24_48FIGURE 2-1. Base Mounting MeasurementsOutdoor InstallationFIGURE 2-2. Minimum Enclosure Clearance MeasurementsFABRICATION/ASSMBLY OF PARTSTable 2-4. Fabricated/Assembled PartsSection IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)TABLE 2-5. Unit Preventive Maintenance Checks and ServicesTABLE 2-5. Unit Preventive Maintenance Checks and Services - Continued - TM-9-6115-644-24_56Section V. TROUBLESHOOTINGSYMPTOM INDEXTABLE 2-6. Unit TroubleshootingTABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_60TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_61TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_62TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_63TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_64TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_65TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_66TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_67TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_68TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_69TABLE 2-6. Unit Troubleshooting - Continued - TM-9-6115-644-24_70Section VI. RADIO INTERFERENCE SUPPRESSION - TM-9-6115-644-24_71Section VIII. M AINTENANCE OF DC ELECTRICAL SYSTEMRemoval. - TM-9-6115-644-24_74FIGURE 2-3. Batteries and CablesTABLE 2-7. State of Charge with Specific Gravity Corrected to 80OF (27C)TABLE 2-8. Specific Gravity Temperature CorrectionsInspection - TM-9-6115-644-24_78FIGURE 2-4. NATO Slave Receptacle and Cables - TM-9-6115-644-24_79Section IX. MAINTENANCE OF HOUSINGRepair - TM-9-6115-644-24_81FIGURE 2-5. Generator Set Access Doors - TM-9-6115-644-24_82Inspection - TM-9-6115-644-24_83FIGURE 2-6. Control Box Top PanelTOP HOUSINGS SECTIONFIGURE 2-7. Generator Set Top Housing Section (Sheet 1 of 2)FIGURE 2-7. Generator Set Top Housing Section (Sheet 2 of 2)Repair. - TM-9-6115-644-24_88FRONT HOUSING SECTION - TM-9-6115-644-24_89FIGURE 2-8. Generator Set Front Housing SectionRepair. - TM-9-6115-644-24_91REAR HOUSING SECTION - TM-9-6115-644-24_92Repair. - TM-9-6115-644-24_93FIGURE 2-9. Generator Set Rear Housing SectionSection X. MAINTENANCE OF CONTROL BOX ASSEMBLYPANEL LIGHTSFIGURE 2-10. Control Box AssemblyPRESS TO TEST LIGHTSFIGURE 2-11. Control Panel Lights - TM-9-6115-644-24_99FUEL LEVEL INDICATOR.COOLANT TEMP. INDICATORRemoval - TM-9-6115-644-24_102OIL PRESSURE INDICATOR - TM-9-6115-644-24_103TIME METER (TOTAL HOURS).BATTERY CHARGE AMMETER.FIGURE 2-12. Control Panel IndicatorsFREQUENCY METER (HERTZ).AMMETER (PERCENT RATED CURRENT). - TM-9-6115-644-24_108KILOWATTMETER (PERCENT POWER).Testing. - TM-9-6115-644-24_110AC VOLTMETER (VOLTS AC)MASTER SWITCH - TM-9-6115-644-24_112ETHER SWITCHInspection. - TM-9-6115-644-24_114FREQUENCY ADJUST POTENTIOMETERlnspection - TM-9-6115-644-24_116AC CIRCUIT INTERRUPTER SWITCHFIGURE 2-13. Control Panel SwitchesRemoval - TM-9-6115-644-24_119Testing - TM-9-6115-644-24_120Testing - TM-9-6115-644-24_121Testing - TM-9-6115-644-24_122Installation - TM-9-6115-644-24_123Removal. - TM-9-6115-644-24_124Removal - TM-9-6115-644-24_125Removal - TM-9-6115-644-24_126Removal. - TM-9-6115-644-24_127GROUND FAULT CIRCUIT INTERRUPTERIn-Line Fuse InstallationInstallation - TM-9-6115-644-24_131Inspection - TM-9-6115-644-24_132Removal. - TM-9-6115-644-24_133FIGURE 2-14. Control Box ComponentsAC VOLTAGE REGULATOR. - TM-9-6115-644-24_135Removal. - TM-9-6115-644-24_136Removal. - TM-9-6115-644-24_137Removal. - TM-9-6115-644-24_138Removal. - TM-9-6115-644-24_139PERMISSIVE PARALLELING RELAYFIGURE 2-15. Permissive Paralleling Relay Test Set-upREVERSE POWER RELAY.FIGURE 2-16. Reverse Power Relay Test Set-upVOLTAGE SENSING RELAYGOVERNOR CONTROL UNITCONTROL BOX HARNESS - TM-9-6115-644-24_146Installation - TM-9-6115-644-24_147TABLE 2-9. Diagnostic Connector Connection Points - TM-9-6115-644-24_148FIGURE 2-17. Diagnostic Connector Pin PositionsLOAD MEASURING UNITFIGURE 2-18. Diode Identification - TM-9-6115-644-24_151CONTROL PANELCONTROL PANEL FRAMECONTROL BOX SIDE PANELS - TM-9-6115-644-24_154Inspection - TM-9-6115-644-24_155FIGURE 2-19. Control Box PanelsSection Xl. MAINTENANCE OF AIR INTAKE AND EXHAUST SYSTEMAIR RESTRICTION INDICATOR - TM-9-6115-644-24_158FIGURE 2-20. Muffler and Exhaust PipeService - TM-9-6115-644-24_160AIR CLEANER TUBING AND BREATHERFIGURE 2-21. Air Cleaner AssemblyRemoval - TM-9-6115-644-24_163Service. - TM-9-6115-644-24_164lnspection and CleaningFIGURE 2-22. Radiator CapFIGURE 2-23. Coolant SystemInstallation - TM-9-6115-644-24_168FIGURE 2-24. Fan Guards and Coolant Recovery SystemInspection and CleaningInspection and Cleaning.RADIATOR - TM-9-6115-644-24_172Repair.\Inspection - TM-9-6115-644-24_174FIGURE 2-25. Fan BeltCOOLANT RECOVERY SYSTEMLOW PRESSURE FUEL LINES AND FITTINGSFIGURE 2-26. Fuel Tank FIller Neck and Low Pressure Fuel System - TM-9-6115-644-24_178Removal. - TM-9-6115-644-24_179FUEL TANK FILLER NECKFUEL DRAIN VALVELOW FUEL LEVEL/AUXILIARY FUEL PUMP FLOAT SWITCHTesting - TM-9-6115-644-24_183FUEL PICKUP - TM-9-6115-644-24_184Testing - TM-9-6115-644-24_185FUEL FILTER/DRAIN VALVE ASSEMBLYFIGURE 2-27. Ether Start SystemETHER SOLENOID VALVEVOLTAGE RECONNECTION TERMINAL BOARDFIGURE 2-28. Output Box AssemblyCURRENT TRANSFORMER - TM-9-6115-644-24_191POWER POTENTIAL TRANSFORMER - TM-9-6115-644-24_192CRANKING RELAY - TM-9-6115-644-24_193LOAD OUTPUT TERMINAL BOARD.Inspection - TM-9-6115-644-24_195LOAD OUTPUT TERMINALS - TM-9-6115-644-24_196FIGURE 2-29. Load Terminal Board Assembly - TM-9-6115-644-24_197VARISTORS - TM-9-6115-644-24_198Removal. - TM-9-6115-644-24_199OIL PRESSURE SENDERInstallation - TM-9-6115-644-24_201FIGURE 2-30. Engine Switches and SendersRemoval. - TM-9-6115-644-24_203COOLANT HIGH TEMPERATURE SWITCH - TM-9-6115-644-24_204MAGNETIC PICKUP - TM-9-6115-644-24_205Installation - TM-9-6115-644-24_206Removal. - TM-9-6115-644-24_207Section XVI. MAINTENANCE OF LUBRICATION SYSTEM - TM-9-6115-644-24_208FIGURE 2-31. Oil Drain ValveSection XVII. PREPARATION FOR SHIPMENT AND STORAGE - TM-9-6115-644-24_210CHAPTER 3 GENERAL MAINTENANCE INSTRUCTIONS - TM-9-6115-644-24_211SYMPTOM INDEX GENERATOR SET - TM-9-6115-644-24_212TABLE 3-1. Direct Support Troubleshooting - TM-9-6115-644-24_213TABLE 3-1. Direct Support Troubleshooting - Continued - TM-9-6115-644-24_214TABLE 3-1. Direct Support Troubleshooting - Continued - TM-9-6115-644-24_215TABLE 3-1. Direct Support Troubleshooting - Continued - TM-9-6115-644-24_216TABLE 3-1. Direct Support Troubleshooting - Continued - TM-9-6115-644-24_217TABLE 3-1. Direct Support Troubleshooting - Continued - TM-9-6115-644-24_218TABLE 3-1. Direct Support Troubleshooting - Continued - TM-9-6115-644-24_219TABLE 3-1. Direct Support Troubleshooting - Continued - TM-9-6115-644-24_220Installation - TM-9-6115-644-24_221FIGURE 3-1. Engine and Generator Assembly - TM-9-6115-644-24_222ENGINE ASSEMBLYFIGURE 3-2. Top Housing PanelFIGURE 3-4. Overflow Bottle AssemblyFIGURE 3-5. Top Housing Section AssemblyFIGURE 3-6. Radiator AssemblyFIGURE 3-7. Rear Housing PanelFIGURE 3-9. Left Side Housing PanelsFIGURE 3-11. Oil Drain HoseFIGURE 3-13. Right Side EngineFIGURE 3-14. Load Output Terminal BoardFIGURE 3-15. Radiator Mounting BracketInstallation - TM-9-6115-644-24_234Installation - TM-9-6115-644-24_235REPLACEMENT - TM-9-6115-644-24_236FIGURE 3-16. Engine Components (Left Side)FIGURE 3-17. Engine Components (Right Side)REPLACEMENT (cont)CHAPTER 4 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-6115-644-24_241TABLE 4-1. Voltage Adjustment Range (MEP-805A)Testing - TM-9-6115-644-24_243Removal. - TM-9-6115-644-24_244FIGURE 4-1. Test CircuitTesting - TM-9-6115-644-24_246Adjustment. - TM-9-6115-644-24_247FIGURE 4-2. Fuel Injection Pump High Idle Speed AdjustmentAdjustment. (cont) - TM-9-6115-644-24_249Replacement - TM-9-6115-644-24_250Inspection - TM-9-6115-644-24_251LOAD MEASURING UNITFIGURE 4-3. Control Box ComponentsSection Il. MAINTENANCE OF COOLANT SYSTEM - TM-9-6115-644-24_254Installation - TM-9-6115-644-24_255FIGURE 4-4. Fuel TankInstallation - TM-9-6115-644-24_257FIGURE 4-5. Output Box AssemblyVOLTAGE RECONNECTION TERMINAL BOARDRemoval - TM-9-6115-644-24_260CURRENT TRANSFORMER - TM-9-6115-644-24_261FIGURE 4-6. Testing Current TransformerTesting - TM-9-6115-644-24_263POWER POTENTIAL TRANSFORMER - TM-9-6115-644-24_264OUTPUT BOX PANELS - TM-9-6115-644-24_265Repair - TM-9-6115-644-24_266Section V. MAINTENANCE OF ENGINE ACCESSORIESFIGURE 4-8. Governor Actuator Assembly - TM-9-6115-644-24_268 Installation. - TM-9-6115-644-24_269FIGURE 4-9. Governor Actuator AdjustmentFIGURE 4-10. Brushless Generator SchematicGENERATOR ASSEMBLYFIGURE 4-11. Generator Assembly RemovalROTATING RECTIFIER DIODESFIGURE 4-12. Rectifier AssemblyEND BELL AND MAIN BEARING - TM-9-6115-644-24_276FIGURE 4-13. End Bell RemovalFIGURE 4-14. Generator AssemblyROTATING RECITIFIERRemoval - TM-9-6115-644-24_280TABLE 4-3. Generator Resistance Values At 25C (77F)GENERATOR ASSEMBLYFIGURE 4-15. Rotor Assembly Lifting Device Typical)GENERATOR MAIN STATOR AND HOUSINGSection VII. MAINTENANCE OF SKID BASEFIGURE 4-16. Skid BaseAPPENDIX A REFERENCESAPPENDIX A REFERENCES - CONTINUEDAPPENDIX B MAINTENANCE ALLOCATION CHARTEXPLANATION OF CQLUMNS IN MAC, SECTIQN II.EXPLANATION OF COLUMNS IN REMARKS, SECTION IV - TM-9-6115-644-24_291Section II MAINTENANCE ALLOCATION CHARTSection II MAINTENANCE ALLOCATION CHART - ContinuedSection II MAINTENANCE ALLOCATION CHART - Continued - TM-9-6115-644-24_294Section II MAINTENANCE ALLOCATION CHART - Continued - TM-9-6115-644-24_295Section II MAINTENANCE ALLOCATION CHART - Continued - TM-9-6115-644-24_296Section II MAINTENANCE ALLOCATION CHART - Continued - TM-9-6115-644-24_297Section II MAINTENANCE ALLOCATION CHART - Continued - TM-9-6115-644-24_298Section III. TOOL AND TEST EQUIPMENT REQUIREMENTSAPPENDIX C EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST - TM-9-6115-644-24_301Section II . TABULAR LISTFIGURE D-1. Cable Assembly, AC Power (P/Ns 88-22126-1 through 88-22126-7)FIGURE D-2. Cable Assembly, Battery (P/N: 88-22178)FIGURE D-3. Cable Assembly, Battery (P/N: 88-22127)FIGURE D-4. Cable Assembly, Battery (P/N: 88-22181)FlGURE D-5. Cable Assembly, Battery (P/N: 88-22179)FIGURE D-6. Cable Assembly, Battery (P/N: 88-22207)FIGURE D-7. Holder, Control Panel (P/N: 88-22120)FlGURE D-8. Hose Assembly (P/N: 88-20191-6)FIGURE D-9. Insulation, Panel, Top (P/N: 88-22582)FIGURE D-10. Insulation, Baffle (P/N: 88-22592)FIGURE D-11. Insulation, Baffle (P/N: 88-22593)FIGURE D-12. Insulation, Top, Center (P/N: 88-22584)FlGURE D-13. Insulation, Top, Rear (P/N: 88-22585)FlGURE D-14. Insulation, Front Housing (P/N: 88-22591)FlGURE D15. Insulation, Top, Front (P/N: 88-22586)FIGURE D-16. Insulation, Top, Center (P/N: 88-22587)FIGURE D-17. Insulation, Top, Center (P/N: 88-22588)FIGURE D-18. Insulation, Top, Front (P/N: 88-22583)FIGURE D-19. Pump Assembly, Fuel (P/N: 88-22546)FIGURE D-20. Resistor Assembly (P/Ns: 122-3066-1 and 29879)FIGURE D-21. Resistor Assembly, Volt (P/N: 88-22631)FIGURE D-22. Resistor-Diode Assembly (P/N: 88-22632)FIGURE D-23. Resistor-Diode Assembly (P/N: 88-22106)FIGURE D-24. Solenold Assembly (P/N: 88-22553)FIGURE D-25. Switch Assembly, Fuel Level (P/N: 88-22548)FIGURE D-26. Wire, Varistor (P/Ns: 88-20305-1 through 88-20305-3, and 88-20305-5)TABLE D-1. INCHES TO METRIC CONVERSIONOF-1. Electrical Schematic Fo-2. Wiring Diagram (sheet 1 of 4) - TM-9-6115-644-24_332Fo-2. Wiring Diagram (sheet 2 of 4)Fo-2. Wiring Diagram (sheet 3 of 4) - TM-9-6115-644-24_334Fo-2. Wiring Diagram (sheet 4 of 4) - TM-9-6115-644-24_335