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Page Title: TM-9-4120-423-14-P

• TECHNICAL MANUAL
• WARNING SUMMARY
• WARNING SUMMARY - continued
• WARNING SUMMARY - continued
• CAUTIONS SUMMARY
• LIST OF EFFECTIVE PAGES
• LIST OF EFFECTIVE PAGES - continued
• OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
• TABLE OF CONTENTS
• TABLE OF CONTENTS - continued
• TABLE OF CONTENTS - continued
• TABLE OF CONTENTS - continued
• TABLE OF CONTENTS - continued
• TABLE OF CONTENTS - continued
• TABLE OF CONTENTS - continued
• TABLE OF CONTENTS - continued
• Chapter 1. INTRODUCTORY INFORMATION WITH THEORY OF OPERATION FOR AIR CONDITIONER
• General Information
• DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE
• LIST OF ABBREVIATIONS
• Major Air Conditioner Components.
• Location of Major Components
• Location of Major Components - continued
• EQUIPMENT DATA
• THEORY OF OPERATION
• BYPASS CYCLE
• SUPPORTING DATA WORK PACKAGE FOR REPAIR PARTS, SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT
• Chapter 2. OPERATOR INSTRUCTIONS FOR AIR CONDITIONER
• GENERAL
• Operator's Controls and Indicators
• INSTALLATION SITE PREPARATION
• Installation Dimensions, Evaporator Assembly
• Installation Dimensions, Evaporator Assembly - continued
• Installation Dimensions, Remote Control Assembly
• Installation Dimensions, Remote Control Assembly - continued
• UNPACKING
• AIR CONDITIONER INSTALLATION
• AIR CONDITIONER INSTALLATION - continued
• AIR CONDITIONER INSTALLATION - continued
• BEFORE OPERATION
• BEFORE OPERATION - continued
• Intake and Discharge Openings and Drains
• OPERATION IN COOL MODE
• Adjustment - Warmer
• Adjustment - Cooler
• Operation in High Heat Mode
• Adjustment - Cooler
• SHUTDOWN
• DECALS AND INSTRUCTION PLATES
• PREPARATION FOR MOVEMENT
• PREPARATION FOR MOVEMENT =-m continued
• OPERATION UNDER UNUSUAL CONDITIONS
• Chapter 3.UNIT TROUBLESHOOTING PROCEDURES FOR AIR CONDITIONER
• INTRODUCTION
• MALFUNCTION/SYMPTOM INDEX
• TROUBLESHOOTING PROCEDURES FOR AIR CONDITIONER, SPLIT PACK
• AIR CONDITIONER WILL NOT START IN ANY MODE
• AIR CONDITIONER WILL NOT START IN ANY MODE
• AIR CONDITIONER WILL NOT START IN ANY MODE - continued
• AIR CONDITIONER WILL NOT START IN ANY MODE - continued
• AIR CONDITIONER WILL NOT START IN ANY MODE - continued
• COOLING ACTION STOPS AFTER OPERATING A SHORT TIME
• EVAPORATOR BLOWER MOTOR FAILS TO START
• INSUFFICIENT HEATING
• TEMPERATURE CONTROL NOT EFFECTIVE
• UNUSUAL NOISE OR VIBRATION - Continued
• Chapter 4. UNIT MAINTENANCE INSTRUCTIONS FOR AIR CONDITIONER
• SERVICE UPON RECEIPT
• UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
• UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
• Condenser Guard
• Power Cable (Visible Portions)
• Condensate Drain
• UNIT MAINTENANCE INSTRUCTIONS
• EVAPORATOR ASSEMBLY AND CONDENSER ASSEMBLY SEPARATION AND RECONNECTION
• DISASSEMBLY
• ASSEMBLY
• ELECTRICAL WIRING REPAIR GENERAL
• REPAIR OR REPLACEMENT
• Wire List
• Wire List - continued
• Wire List - continued
• Wire List - continued
• Wire List - continued
• Wire List - continued
• Wire List - continued
• FINISH REPAINTING AND REFINISHING GENERAL
• PLUG, DRAIN
• REMOVAL
• PROTECTIVE ELECTRICAL CAPS & COVERS
• REMOVAL
• TEMPERATURE SENSING PROBE (A1-RT)
• REMOVAL
• INSTALLATION
• THERMOSTATIC SWITCHES (S2 AND S3), TERMINAL BOARD (TB2), AND TERMINAL BOARD SUPPORT
• INSPECTION OF INSTALLED ITEMS
• REMOVAL
• INSTALLATION
• TESTING
• HEATING ELEMENTS (HR1 THROUGH HR15)
• REMOVAL
• DISASSEMBLY
• TESTING
• TESTING - continued
• PLASTIC TUBING (CONDENSATE DRAIN)
• REMOVAL
• FILTER, RADIO FREQ. & GASKET
• REMOVAL
• INSTALLATION
• Radio Frequency Filter (FL1) Internal Diagram
• COVERS, ACCESS, AND FRESH AIR
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• COVER, FRONT, EVAPORATOR AND BLOCKING PLATE
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• COVER, TOP, EVAP.
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• FRAME, RETURN AIR
• REMOVAL
• CLEANING
• INSTALLATION
• FRAME, EVAPORATOR, DISCHARGE
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• EVAPORATOR ASSY WIRING HARNESSES AND BULKHEAD CONNECTORS
• REMOVAL
• REMOVAL
• INSTALLATION
• EVAPORATOR FAN (IMPELLER) AND MOTOR ASSEMBLY
• INSPECTION OF INSTALLED ITEMS
• INSPECTION OF INSTALLED ITEMS - continued
• REMOVAL
• REMOVAL - continued
• INSTALLATION
• TESTING
• TESTING - continued
• EVAPORATOR HOUSING
• REMOVAL
• INSTALLATION
• ELECTRICAL MODULE ASSEMBLY, EVAPORATOR SECTION
• REMOVAL
• MODULE MOUNTING SCREWS, EVAPORATOR ELECTRICAL MODULE
• REMOVAL
• INSTALLATION
• VARISTOR (RV4) AND TRANSFORMER (T1)
• REMOVAL
• INSTALLATION
• TESTING
• TEMPERATURE CONTROL COMPONENT BOARD (A1)
• INSPECTION OF INSTALLED ITEMS
• INSTALLATION
• TESTING
• TESTING - continued
• FUSE (F1) AND FUSEHOLDER (XF1)
• INSPECTION OF INSTALLED ITEMS
• REMOVAL
• INSTALLATION
• RECTIFIER (CR1) AND CAPACITOR (C1)
• REMOVAL
• INSTALLATION
• TESTING
• RELAYS (K3, K4, AND K5)
• REMOVAL
• INSTALLATION
• TESTING
• TESTING - continued
• TESTING - continued
• TERMINAL BOARD (TB1) AND JUMPERS
• REMOVAL
• INSTALLATION
• CHASSIS, EVAPORATOR ELECTRICAL MODULE
• REPAIR OR REPLACEMENT
• TOP COVER AND GROMMETS, EVAPORATOR ELECTRICAL MODULE
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• WIRING HARNESSES, RECEPTACLE GASKETS, LEADS AND DISCONNECT SPLICES - EVAPORATOR ELECTRICAL MODULE
• REMOVAL
• REPAIR OR REPLACEMENT
• COVER, FEED THROUGH
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• COVERS, FRONT, TOP, AND FABRIC
• INSPECTION OF INSTALLED ITEMS
• REMOVAL
• CLEANING
• REPAIR OR REPLACEMENT
• INSTALLATION
• COVERS, RIGHT AND LEFT END
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• GUARD AND GRILLE, CONDENSER
• REMOVAL
• CLEANING
• INSTALLATION
• HARNESSES AND LEADS, CONDENSER ASSEMBLY
• REMOVAL
• REPAIR OR REPLACEMENT
• INSTALLATION
• VARISTORS (RV1, RV2, AND RV3) AND TERMINAL BOARD (TB4)
• REMOVAL
• BLOWER HOUSING, FAN INLET AND MOTOR
• INSPECTION OF INSTALLED ITEMS
• REMOVAL
• REMOVAL - continued
• INSTALLATION
• TESTING
• CONDENSER HOUSING ASSEMBLY
• REPAIR OR REPLACEMENT
• ELECTRICAL MODULE ASSEMBLY, CONDENSER SECTION
• REMOVAL
• REPAIR OR REPLACEMENT
• REPAIR OR REPLACEMENT - continued
• TEST AND INSPECTION
• INSTALLATION
• CONDENSER MODULE COVER
• REMOVAL
• INSTALLATION
• TIME TOTALIZING METER (HOURMETER) M1
• REMOVAL
• TESTING
• TERMINAL BOARD (TB3) AND CONNECTING LINKS
• REMOVAL
• INSTALLATION
• EMI GASKETS, WIRING HARNESSES, AND LEADS
• REMOVAL
• TEST AND INSPECTION
• CHASSIS AND SNAP FASTENER
• REPAIR OR REPLACEMENT
• REPAIR OR REPLACEMENT - continued
• REMOTE CONTROL ASSEMBLY
• INSTALLATION
• BOX, REMOTE CONTROL
• REMOVAL
• REPAIR OR REPLACEMENT
• ROTARY, MODE SELECTOR, SWITCH (S1) AND KNOB
• REMOVAL
• INSTALLATION
• Resistance Values
• RUN INDICATOR LIGHT (XDS1) AND BULB REPLACEMENT
• REMOVAL
• TEST AND INSPECTION
• TEMPERATURE CONTROL (A1-R1)
• REMOVAL
• TEST AND INSPECTION
• COVER, REMOTE CONTROL
• REMOVAL
• REPAIR OR REPLACEMENT
• WIRING HARNESS, EMI GASKET, AND ELECTRICAL LEADS-REMOTE CONTROL BOX
• REMOVAL
• REPAIR OR REPLACEMENT
• DIODE (D1) WITH TERMINAL
• REMOVAL
• REPAIR OR REPLACEMENT
• Chapter 5. DIRECT SUPPORT TROUBLESHOOTING PROCEDURES FOR AIR CONDITIONER
• INTRODUCTION
• MALFUNCTION/SYMPTOM INDEX
• TROUBLESHOOTING PROCEDURES FOR AIR CONDITIONER, SPLIT PACK
• COMPRESSOR FAILS TO START
• COMPRESSOR FAILS TO START l- cotninued
• COMPRESSOR FAILS TO START Continued
• COMPRESSOR FAILS TO START Continued
• COMPRESSOR FAILS TO START (Evaporator and condenser blower motors start.)
• TEST OR INSPECTION
• INSUFFICIENT COOLING
• INSUFFICIENT COOLING - continued
• INSUFFICIENT COOLING - continued
• Chapter 6. DIRECT SUPPORT MAINTENANCE INSTRUCTIONS FOR AIR CONDITIONER
• DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
• REFRIGERATION SYSTEM REPAIRS GENERAL
• DISCHARGING THE REFRIGERANT R-22 SYSTEM
• DISCHARGING THE REFRIGERANT R-22 SYSTEM - continued
• DISCHARGING THE REFRIGERANT R-22 SYSTEM - continued
• Blank Page
• PURGING THE REFRIGERANT R-22 SYSTEM
• Nitrogen Purging Connection
• PURGING THE REFRIGERANT R-22 SYSTEM
• BRAZING/DEBRAZING PROCEDURES
• BRAZING/DEBRAZING PROCEDURES - continued
• CLEANING
• LEAK TESTING THE REFRIGERANT R-22 SYSTEM
• LEAK TESTING THE REFRIGERANT R-22 SYSTEM - continued
• LEAK TESTING THE REFRIGERANT R-22 SYSTEM - continued
• EVACUATING THE REFRIGERANT R-22 SYSTEM
• Evacuation of Refrigeration System
• EVACUATING THE REFRIGERANT R-22 SYSTEM - continued
• CHARGING THE REFRIGERANT R-22 SYSTEM
• Refrigerant R-22 Charging
• CHARGING THE REFRIGERANT R-22 SYSTEM - continued
• CHARGING THE REFRIGERANT R-22 SYSTEM - continued
• REFRIGERANT R-22 PRESSURE CHECK
• REFRIGERANT R-22 PRESSURE CHECK - continued
• Table 1. Pressure-Temperature Relationship of Saturated Refrigerant-22
• Table 2. Normal Operating Pressures
• TUBING AND FITTINGS (EVAPORATOR ASSEMBLY)
• TUBING AND FITTINGS (EVAPORATOR ASSEMBLY) - continued
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE - continued
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE - continued
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE - continued
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE - continued
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE - continued
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE - continued
• EVAPORATOR COIL, MALE COUPLING HALF AND EXPANSION VALVE - continued
• SIGHT GLASS
• SIGHT GLASS - continued
• SIGHT GLASS - continued
• DEHYDRATOR (FILTER DRIER)
• REMOVAL
• INSTALLATION
• RECEIVER, LIQUID REFRIGERANT R-22
• REMOVAL
• INSTALLATION
• INSTALLATION - continued
• EXPANSION VALVE, QUENCH
• REMOVAL
• INSTALLATION
• DISCHARGE BYPASS VALVE
• REMOVAL
• ADJUSTMENT
• VALVE MOUNTING BRACKET
• REMOVAL
• HIGH PRESSURE SWITCH (S4)
• REMOVAL
• TESTING
• LOW PRESSURE SWITCH (S5)
• REMOVAL
• INSTALLATION
• PRESSURE RELIEF VALVE
• REMOVAL
• INSTALLATION
• SERVICE VALVES, CAP AND CHAIN
• REMOVAL
• INSTALLATION
• CONTROL, HEAD PRESSURE
• REMOVAL
• INSTALLATION
• TUBING AND FITTINGS (CONDENSER ASSEMBLY)
• REPAIR OR REPLACEMENT
• FLEXIBLE HOSE ASSEMBLY SUCTION AND DISCHARGE
• REMOVAL
• DISASSEMBLY
• DISASSEMBLY - continued
• INSTALLATION
• COUPLING HALF, MALE (CONDENSER REFRIGERANT R-22 PIPING DISCONNECT)
• REPAIR OR REPLACEMENT
• TEST AND INSPECTION
• INSTALLATION
• SOLENOID VALVES (L1 AND L2)
• REMOVAL
• REPAIR OR REPLACEMENT
• TEST AND INSPECTION
• INSTALLATION
• MOUNTING BRACKETS, SOLENOID VALVES
• REMOVAL
• REPAIR OR REPLACEMENT
• CONDENSER COIL
• REMOVAL
• CLEANING
• INSTALLATION
• RUBBER MOUNTS, COMPRESSOR
• REPAIR OR REPLACEMENT
• COMPRESSOR
• REPAIR OR REPLACEMENT
• REPAIR OR REPLACEMENT - continued
• REPAIR OR REPLACEMENT - continued
• TEST AND INSPECTION
• TEST AND INSPECTION - continued
• INSTALLATION
• INSTALLATION - continued
• Chapter 7. GENERAL SUPPORT MAINTENANCE INSTRUCTIONS FOR AIR CONDITIONER
• Chapter 8. SUPPORTING INFORMATION FOR AIR CONDITIONER
• REFERENCES
• MAINTENANCE ALLOCATION CHART (MAC)
• Maintenance Functions
• Explanation of Columns in the MAC
• Explanation of Columns in the Tools and Test Equipment Requirements
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER
• Table 1. Maintenance Allocation Chart for Air Conditioner.
• Table 1. Maintenance Allocation Chart for Air Conditioner.
• Table 1. Maintenance Allocation Chart for Air Conditioner.
• TOOLS AND TEST EQUIPMENT REQUIREMENTS FOR AIR CONDITIONER
• INTRODUCTION
• Source Code
• Source Code - continued
• Maintenance Code
• Recoverability Code
• Recoverability Code - continued
• EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND COLUMNS
• HOW TO LOCATE REPAIR PARTS
• Figure F-1. 24,000 BTU/HR Split Pack Air Conditioner
• Repair Parts List
• Figure F-2. Evaporator Assembly (Sheet 1 of 4)
• Figure F-2. Evaporator Assembly (Sheet 2 of 4)
• Figure F-2. Evaporator Assembly (Sheet 3 of 4)
• Figure F-2. Evaporator Assembly (Sheet 4 of 4)
• Repair Parts List
• Repair Parts List
• Figure F-3. Covers
• Repair Parts List
• Figure F-4. Frames
• Repair Parts List
• Figure F-5. Harness Assemblies
• Repair Parts List
• Figure F-6. Motor Assembly
• Repair Parts List
• Figure F-7. Coil, Evaporator
• Repair Parts List
• Figure F-8. Coupling Halves, Male
• Repair Parts List
• Figure F-9. Valve, Expansion
• Repair Parts List
• Figure F-10. Housing Assembly
• Repair Parts List
• Figure F-11. Electrical Module (Sheet 1 of 2)
• Figure F-12. Electrical Module (Sheet 2 of 2)
• Repair Parts List
• Repair Parts List
• Figure F-12. Cover
• Repair Parts List
• Figure F-13. Harness Assemblies and Leads
• Repair Parts List
• Figure F-14. Condenser Assembly (Sheet 1 of 6)
• Figure F-14. Condenser Assembly (Sheet 2 of 6)
• Figure F-14. Condenser Assembly (Sheet 3 of 6)
• Figure F-14. Condenser Assembly (Sheet 4 of 6)
• Figure F-14. Condenser Assembly (Sheet 5 of 6)
• Figure F-14. Condenser Assembly (Sheet 6 of 6)
• Repair Parts List
• Repair Parts List
• Repair Parts List
• Figure F-15. Covers
• Repair Parts List
• Figure F-16. Guard, Condenser
• Repair Parts List
• Figure F-17. Grille, Discharge
• Repair Parts List
• Figyre F-18. Harness Assemblies and Leads
• Repair Parts List
• Figure F-19. Terminal Board
• Repair Parts List
• Figure F-20. Housing, Blower
• Repair Parts List
• Figure F-21. Motor, AC
• Repair Parts List
• Figure F-22. Hose Assembly, Discharge
• Repair Parts List
• Figure F-23. Coupling Half, Female
• Repair Parts List
• Figure F-24. Hose Assembly, Suction
• Repair Parts List
• Figure F-25. Coupling Half, Female
• Repair Parts List
• Figure F-26. Valve, Solenoid
• Repair Parts List
• Figure F-27. Coil Condenser
• Repair Parts List
• Figure F-28. Compressor Assembly
• Repair Parts List
• Figure F-29. Housing, Conditioner
• Repair Parts List
• Figure F-30. Electrical Module
• Repair Parts List
• Figure F-31. Harness Assembly and Leads
• Repair Parts List
• Figure F-32. Chassis
• Repair Parts List
• Figure F-33. Remote Control Assembly
• Repair Parts List
• Figure F-34. Remote Box
• Repair Parts List
• Figure F-35. Harness Assembly and Leads
• Repair Parts List
• Figure F-36. Diode/Terminal
• Repair Parts List
• Repair Parts List
• NATIONAL STOCK NUMBER INDEX
• NATIONAL STOCK NUMBER INDEX
• NATIONAL STOCK NUMBER INDEX
• NATIONAL STOCK NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• PART NUMBER INDEX
• SECTION I. INTRODUCTION
• SECTION II COMPONENTS OF END ITEM
• SECTION III BASIC ISSUE ITEMS
• SECTION I INTRODUCTION
• SECTION II ADDITIONAL AUTHORIZATION LIST
• INTRODUCTION
• SECTION II EXPENDABLE SUPPLIES AND MATERIALS LIST
• SECTION II EXPENDABLE SUPPLIES AND MATERIALS LIST - continued
• STOWAGE AND DECAL/DATA PLATE GUIDE
• Stowage and Decal Plate Locations
• TOOL IDENTIFICATION LIST
• ILLUSTRATED LIST OF MANUFACTURED ITEMS
• INDEX OF MANUFACTURED ITEMS
• TORQUE LIMITS
• WIRING DIAGRAMS
• WIRING DIAGRAMS
• Remote Control Module
• Evaporator Assembly
• Condenser Assembly
• ALPHABETICAL INDEX
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• ALPHABETICAL INDEX - continued
• THE METRIC SYSTEM AND EQUIVALENTS
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• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
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• TM-9-4120-423-14-P
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• REVERSE OF DA FORM 2028-2
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• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
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• REVERSE OF DA FORM 2028-2
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• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
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• DISTRIBUTION
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• REVERSE OF DA FORM 2028-2
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• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
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• REVERSE OF DA FORM 2028-2
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