Compressor Unit - Starter Side ViewChapter 1. INTRODUCTION - TM-5-4310-373-140009EQUIPMENT DATA. - TM-5-4310-373-140010Section iii. TECHNICAL PRINCIPLES OF OPERATION - TM-5-4310-373-140011COMPONENT FUNCTION.CENTRIFUGAL UNLOADER - TM-5-4310-373-140013ELECTRIC MOTOR CONTROLSChapter 2. OPERATING INSTRUCTIONS - TM-5-4310-373-140015OPERATOR'S CONTROLS AND INDICATORS - TM-5-4310-373-140016PREVENTIVE MAINTENANCE CHECKS AND SERVICES - TM-5-4310-373-140017Figure 2-7. Oil fill and drain locationFigure 2-9. Air muffler assemblySection iii. OPERATION UNDER USUAL CONDITIONS - TM-5-4310-373-140020OPERATING PROCEDURES - TM-5-4310-373-140021Figure 2-14. Shutoff valve and air hoseChapter 3. OPERATOR'S MAINTENANCE INSTRUCTIONS - TM-5-4310-373-140023Table 3-1. Troubleshooting - TM-5-4310-373-140024TANK PRESSURE IS LOW, PUMPING RATE IS SLOW.COMPRESSOR OIL CONSUMPTION IS EXCESSIVE.COMPRESSOR RUNS NOISYCOMPRESSOR OVERHEATS - TM-5-4310-373-140028Section III. MAINTENANCE PROCEDURES - TM-5-4310-373-140029OPERATOR'S MAINTENANCE - TM-5-4310-373-140030Chapter 4. ORGANIZATIONAL MAINTENANCE INSTRUCTIONS - TM-5-4310-373-140031Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-5-4310-373-140032Table 4-1. Preventive Maintenance Checks and Services - TM-5-4310-373-140033Figure 4-4. Valve assemblyFigure 4-6. Unloader and breather tube fittingsSection IV. TROUBLESHOOTING - TM-5-4310-373-140036Figure 4-9. Electric motor controls schematicELECTRIC MOTOR WON'T START - TM-5-4310-373-140038Figure 4-12. Motor control contactor continuityMOTOR HUMS BUT WON'T RUN.MOTOR WON'T RUN.COMPRESSOR DOES NOT PUT OUT ENOUGH AIR. - TM-5-4310-373-140042SLOW PUMPING OR INSUFFICIENT PRESSURE. - TM-5-4310-373-140043COMPRESSOR RUNS NOISY.Section V. ORGANIZATIONAL MAINTENANCE PROCEDURES - TM-5-4310-373-140045MOTOR STARTER ENCLOSURE/REMOVALFigure 4-19. Motor starter, conduitsMotor Starter Enclosure/InstallationFigure 4-22. Motor Starter Wiring DiagramMOTOR STARTER/DISASSEMBLYFigure 4-24. Motor starter disassemblyMOTOR STARTER/ASSEMBLYFigure 4-27. Motor starter and base plateMOTOR STARTER COMPONENTS/lNSPECTION/CLEANING/ADJUSTMENTPRESSURE SWITCH REMOVALPRESSURE SWITCH REMOVAL continuedPRESSURE SWITCH INSTALLATIONPRESSURE SWITCH, INSPECTION/CLEANING/REPAIRFigure 4-33. Pressure switchPRESSURE SWITCH ADJUSTMENT - TM-5-4310-373-140060Figure 4-36. Pressure switch, adjustmentCOMPRESSOR DRIVE - TM-5-4310-373-140062BELT GUARD ASSEMBLY REMOVAL/REPAIRFigure 4-40. Belt guard assemblyBELT GUARD ASSEMBLY INSTALLATIONV-BELT REMOVALV-BELT INSTALLATIONV-BELT ADJUSTMENTDRIVE PULLEY REMOVALDRIVE PULLEY INSTALLATIONCOMPRESSOR ASSEMBLY - TM-5-4310-373-140071COMPRESSOR ASSEMBLY INSPECTIONCOMPRESSOR ASSEMBLY REMOVALCOMPRESSOR ASSEMBLY INSTALLATIONFLYWHEEL/lNSPECTION/REMOVAL/lNSTALLATIONFigure 4-59. Flywheel installationTUBE ASSEMBLIES, lNSPECTION/REMOVAL/lNSTALLATIONFigure 4-61. Tubing assembliesINTAKE AND EXHAUST VALVE REMOVALREMOVAL - EXHAUST VALVESFigure 4-62. Intake and exhaust valve, removalINTAKE AND EXHAUST VALVE INSTALLATIONINSTALLATION - EXHAUST VALVESFigure 4-63. Intake and exhaust valve, installationINTAKE AND EXHAUST VALVES INSPECTION/CLEANINGCENTRIFUGAL UNLOADER REMOVALREMOVAL - TM-5-4310-373-140087Figure 4-66. Centrifugal unloader, removalCENTRIFUGAL UNLOADER INSTALLATIONINSTALLATION - TM-5-4310-373-140090Figure 4-67. Centrifugal unloader, installationCENTRIFUGAL UNLOADER/lNSPECTION/CLEANINGCLEANING - TM-5-4310-373-140093ELECTRIC MOTOR - TM-5-4310-373-140094MOTOR ELECTRIC/TESTTEST FOR CONTINUITYMOTOR, ELECTRIC/REMOVALFigure 4-74. Motor conduit boxMOTOR ELECTRIC/INSTALLATIONFigure 4-78. External wiring of motorAlR TANK SYSTEMSAFETY VALVE, lNSPECTION/REMOVAL/lNSTALLATIONFigure 4-82. Safety valve locationSAFETY INTERSTAGE VALVE, lNSPECTION/REMOVAL/lNSTALLATIONCHECK VALVE lNSPECTlON/REMOVAL/DlSASSEMBLY/ASSEMBLY/lNSTALLATlONFigure 4-85. Check valve replacePRESSURE GAGE lNSPECTION/REMOVAL/INSTALLATIONINSTALLATION - TM-5-4310-373-140108DRAIN COCK lNSPECTION/REMOVAL/lNSTALLATIONSHUTOFF VALVE/lNSPECTION/REMOVAL/lNSTALLATIONFigure 4-89. Shutoff valve replaceAlR TANK REMOVAL/INSTALLATIONFigure 4-90. Air tank and fittingsINSTALLATION - TM-5-4310-373-140114AIR DISCHARGE SYSTEM - TM-5-4310-373-140115HOSES, REMOVAL/lNSTALLATIONINFLATOR GAGE/REMOVAL/lNSTALLATIONCHAPTER 5. DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE lNSTRUCTlONSSection ii. DIRECT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONSCOMPRESSOR/DISASSEMBLYDISASSEMBLY - TM-5-4310-373-140122Figure 5-1. Compressor disassemblyCOMPRESSOR/ASSEMBLYASSEMBLY - TM-5-4310-373-140125Figure 5-3. Compressor assemblyPISTONS, CONNECTING RODS/DISASSEMBLYFigure 5-4. Pistons connecting rods, disassemblyPISTONS, CONNECTING ROD/ASSEMBLYASSEMBLY - TM-5-4310-373-140130Figure 5-5. Pistons, connecting rods, assemblyCRANKSHAFT BEARINGS, OIL SEALS/DISASSEMBLYCRANKSHAFT BEARINGS, OIL SEAL/ASSEMBLYCOMPRESSOR ASSEMBLY/lNSPECTION/CLEANINGINSPECTION - TM-5-4310-373-140135CLEANING - TM-5-4310-373-140136MOTOR, ELECTRIC MAINTENANCEMOTOR, ELECTRlC/DISASSEMBLYFigure 5-8. Motor electric, disassemblyMOTOR, ELECTRlC/ASSEMBLYFigure 5-9. Motor, electric, assemblyMOTOR, ELECTRIC/INSPECTION/CLEANlNGCLEANING - TM-5-4310-373-140143APPENDIX A. REFERENCES - TM-5-4310-373-140145APPENDIX B. MAINTENANCE ALLOCATION CHART - TM-5-4310-373-140147COLUMN ENTRIES USED IN THE MAC. - TM-5-4310-373-140148Section II. MAINTENANCE ALLOCATION CHART - TM-5-4310-373-140149Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-5-4310-373-140150APPENDIX C. INTEGRAL COMPONENTS OF END ITEM AND BASIC ISSUE ITEMSSection II. INTEGRAL COMPONENTS OF END ITEM - TM-5-4310-373-140152APPENDIX D. ADDITIONAL AUTHORIZATION LIST - TM-5-4310-373-140153BALNK PAGE - TM-5-4310-373-140154APPENDIX E. EXPENDABLE SUPPLIES AND MATERIALS LIST - TM-5-4310-373-140155APPENDIX F. TORQUE VALUESTM-5-4310-373-14 Compressor Reciprocating Electric Motor Driven 15 CFM 175 PSI C & H Model 20-912 Manual