Figure 1-0. MOAC 24,000 Btu Air Conditioner
CHAPTER 1 INTRODUCTION - TM-9-4120-380-140013
DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE - TM-9-4120-380-140014
Section II. EQUIPMENT DESCRIPTION - TM-9-4120-380-140015
Figure 1-1. External Major Components
Internal Major Components
EQUIPMENT DATA. - TM-9-4120-380-140018
SAFETY, CARE AND HANDLING
Section III. TECHNICAL PRINCIPLES OF OPERATION - TM-9-4120-380-140020
Figure 1-3. Functional Block Diagram
Bypass Cycle
CHAPTER 2 OPERATING INSTRUCTIONS - TM-9-4120-380-140023
Figure 2-1. Controls and Indicators
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-380-140025
Table 2-1. Operator-Preventive Maintenance Checks and Services
Table 2-1. Operator-Preventive Maintenance Checks and Services - Continued - TM-9-4120-380-140027
Table 2-1. Operator-Preventive Maintenance Checks and Services - Continued - TM-9-4120-380-140028
Section III. OPERATION UNDER USUAL CONDITIONS - TM-9-4120-380-140029
General Information.
OPERATION IN VENT MODE - TM-9-4120-380-140031
Figure 2-3. Ventilate Mode (Settings and Indicators)
OPERATION IN HEAT MODE - TM-9-4120-380-140033
Figure 2-4. Heat Mode
OPERATION IN COOL MODE - TM-9-4120-380-140035
Figure 2-5. Cool Mode
OPERATION IN AUTO MODE
Figure 2-6. Auto Mode
SHUTDOWN (OFF)
Figure 2-7. Off Mode
PREPARATION FOR MOVEMENT - TM-9-4120-380-140041
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-9-4120-380-140042
OPERATION IN UNUSUALLY WET CONDITIONS
CHAPTER 3 OPERATOR MAINTENANCE - TM-9-4120-380-140044
AIR CONDITIONER WILL NOT START IN AUTO MODE
REDUCED COOLING CAPACITY - TM-9-4120-380-140046
REDUCED HEATING CAPACITY - TM-9-4120-380-140047
EXCESSIVELY NOISY OPERATION - TM-9-4120-380-140048
Section III. OPERATOR MAINTENANCE PROCEDURES - TM-9-4120-380-140049
CHAPTER 4 UNIT MAINTENANCE PROCEDURES
Section III. SERVICE UPON RECEIPT - TM-9-4120-380-140051
RECEIVING INSPECTION - TM-9-4120-380-140052
General
Instructors
Figure 4-2. Evaporator Duct/Panel Removal
Figure 4-4. Compressor Section Panel Removal
Connect Electrical Connection
Figure 4-6. Electrical Connections
Condenser and Evaporator Fans Rotation Check
Figure 4-9. Condenser Fan Section Panel Installation
Section IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-380-140061
PMCS COLUMNAR ENTRIES
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - TM-9-4120-380-140063
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140064
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140065
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140066
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140067
Section V. UNIT TROUBLESHOOTING
AIR CONDITIONER WILL NOT START
EVAPORATOR AND CONDENSER FANS BOTH RUN, BUT COMPRESSOR DOES NOT START AFTER TIME DELAY
COMPRESSOR STARTS NORMALLY, BUT CONTROL CIRCUIT BREAKER (CB1) SOON TRIPS
REDUCED HEATING CAPACITY - TM-9-4120-380-140072
EVAPORATOR FAN MOTOR (B2) DOES NOT OPERATE
EXCESSIVE NOISE WHEN COMPRESSOR STARTS
FAULT RESET SWITCH (S12) DOES NOT RESET
LOW SUCTION PRESSURE INDICATOR (DS7) ON
HIGH DISCHARGE PRESSURE LIGHT (DS6) ON
Section VI. UNIT MAINTENANCE PROCEDURES - TM-9-4120-380-140078
Section VI. UNIT MAINTENANCE PROCEDURES - Continued
Figure 4-12. Electrical Schematic
COOL FUNCTION.
HEAT FUNCTION
VENT (CIRCULATE) FUNCTION
EVAPORATOR DUCT/PANEL
Figure 4-13. Evaporator Duct Panel
REPAIR/REPLACE - TM-9-4120-380-140086
INSTALLATION - TM-9-4120-380-140087
CONDENSER FAN SECTION PANEL
REPAIR/REPLACE - TM-9-4120-380-140089
REPAIR/REPLACE - Continued - TM-9-4120-380-140090
INSTALLATION - TM-9-4120-380-140091
COMPRESSOR SECTION PANEL
REPAIR/REPLACE - TM-9-4120-380-140093
REPAIR/REPLACE - Continued - TM-9-4120-380-140094
INSTALLATION - TM-9-4120-380-140095
INFORMATION PLATE
Figure 4-16. Information Plate
RETURN AIR FILTER.
INSTALLATION - TM-9-4120-380-140099
CONTROL .BOX ASSEMBLY AND COMPONENTS
INSPECTION, TESTING, REPAIR AND REPLACE
INSTALLATION - TM-9-4120-380-140102
FOLLOW ON PROCEDURES - TM-9-4120-380-140103
MODE SELECT SWITCH (S1) AND KNOB
Table 4-3. Mode Select Switch Test
Table 4-3. Mode Select Switch Test - Continued
FOLLOW ON PROCEDURES - TM-9-4120-380-140107
PRIME UNIT SELECT SWITCH (S11).
INSTALLATION - TM-9-4120-380-140109
FAULT RESET SWITCH (S12)
REMOVAL - TM-9-4120-380-140111
RESISTOR BOARD
INSTALLATION - TM-9-4120-380-140113
RESISTORS (R1-R7)
FOLLOW ON PROCEDURES - TM-9-4120-380-140115
INDICATOR LIGHTS (DS 1-DS7)
INSTALLATION - TM-9-4120-380-140117
CONTACTORS (K1-K5)
FOLLOW ON PROCEDURES - TM-9-4120-380-140119
PHASE RELAY (K6)
ADJUSTMENT - TM-9-4120-380-140121
FAULT RELAYS (K7-K10)
FOLLOW ON PROCEDURES - TM-9-4120-380-140123
LATCHING RELAY (K11)
INSTALLATION - TM-9-4120-380-140125
RELAY MOUNTING PLATE
Figure 4-29. Relay Mounting Plate
REPAIR - TM-9-4120-380-140128
CIRCUIT BREAKERS (CB 1 AND CB2)
INSTALLATION - TM-9-4120-380-140130
SLAVE RELAYS (K12-K15)
INSTALLATION - TM-9-4120-380-140132
TIME DELAY RELAYS (TRI AND TR2)
Figure 4-32. Time Delay Relays (TR1 and TR2)
REPAIR/REPLACE - TM-9-4120-380-140135
RELAY SOCKETS (K6-K11. TR1 AND TR2)
INSTALLATION - TM-9-4120-380-140137
Figure 4-33. Relay Sockets (K6-K11, TR1 and TR2)
TERMINAL BOARDS (TB1 AND TB2) - TM-9-4120-380-140139
FOLLOW ON PROCEDURES - TM-9-4120-380-140140
ELECTRICAL BOX
FOLLOW ON PROCEDURES - TM-9-4120-380-140142
WIRE HARNESS - TM-9-4120-380-140143
FOLLOW ON PROCEDURES - TM-9-4120-380-140144
EVAPORATOR MOTOR AND HOUSING ASSEMBLY
INSPECTION, TESTING, AND REPLACEMENT - TM-9-4120-380-140146
FOLLOW ON PROCEDURES - TM-9-4120-380-140147
EVAPORATOR FAN AND HOUSING ASSEMBLY
INSTALLATION - TM-9-4120-380-140149
Figure 4-37. Evaporator Fan and Housing Assembly
EVAPORATOR (B2)
INSTALLATION - TM-9-4120-380-140152
CONDENSER MOTOR AND HOUSING ASSEMBLY
INSPECTION, TESTING, AND REPLACEMENT - TM-9-4120-380-140154
FOLLOW ON PROCEDURES - TM-9-4120-380-140155
CONDENSER FAN AND HOUSING ASSEMBLY
INSTALLATION - TM-9-4120-380-140157
Figure 440. Condenser Fan and Housing Assembly
CONDENSER MOTOR(B3)
INSTALLATION - TM-9-4120-380-140160
ELECTRICAL HEATERS (HR1 AND HR2)
INSTALLATION - TM-9-4120-380-140162
HEAT LIMIT SWITCHES (S9 AND S10)
INSTALLATION - TM-9-4120-380-140164
THERMOSTAT (S2)
INSTALLATION - TM-9-4120-380-140166
FOLLOW ON PROCEDURES - TM-9-4120-380-140167
AIRFLOW FILTER SWITCH (S3)
ADJUSTMENT - TM-9-4120-380-140169
Figure 4-45. Airflow Filter Switch (S3)
HEAT FAULT THERMOSTAT (S8)
INSTALLATION - TM-9-4120-380-140172
CRANKCASE HEATER (HR3)
Figure 4-47. Crankcase Heater (HR3)
INSTALLATION - TM-9-4120-380-140175
SOLENOID VALVES (L1 AND L2) COIL.
Figure 4-48. Solenoid Valves (L1 and L2) Coil
REPLACE - TM-9-4120-380-140178
CONDENSER COIL - TM-9-4120-380-140179
FOLLOW ON PROCEDURES - TM-9-4120-380-140180
EVAPORATOR COIL - TM-9-4120-380-140181
FOLLOW ON PROCEDURES - TM-9-4120-380-140182
DRAIN AREA
Figure 4-51. Drain Area
Section VII. PREPARATION FOR STORAGE OR SHIPMENT - TM-9-4120-380-140185
CHAPTER 5 DIRECT SUPPORT MAINTENANCE - TM-9-4120-380-140186
Section II. DIRECT SUPPORT MAINTENANCE PROCEDURES-Continued
PANELS AND INFORMATION PLATES
EVAPORATOR MOTOR (B2).
Figure 5-1. Evaporator Motor (B2)
REASSEMBLY - TM-9-4120-380-140191
CONDENSER MOTOR (B3)
Figure 5-2. Condenser Motor (B3)
REASSEMBLY - TM-9-4120-380-140194
REFRIGERATION SYSTEM GENERAL REPAIRS
SERVICE MANIFOLD INSTALLATION - TM-9-4120-380-140196
FOLLOW ON PROCEDURES - TM-9-4120-380-140197
Figure 5-3. Service Manifold Installation
DISCHARGING REFRIGERANT SYSTEM
Figure 5-4. Discharging Refrigerant System
PURGING REFRIGERANT SYSTEM
Figure 5-5. Purging Refrigerant System
BRAZING/DEBRAZING PROCEDURES - TM-9-4120-380-140203
SERVICE - TM-9-4120-380-140204
LEAK TESTING REFRIGERANT SYSTEM
SERVICE - TM-9-4120-380-140206
EVACUATING REFRIGERANT SYSTEM
SERVICE - TM-9-4120-380-140208
Figure 5-6. Evacuating Refrigerant System
CHARGING REFRIGERANT SYSTEM
Figure 5-7. Charging Refrigerant System
SERVICE - continued - TM-9-4120-380-140212
SERVICE - continued - TM-9-4120-380-140213
REFRIGERANT PRESSURE CHECK - TM-9-4120-380-140214
Table 5-1 Pressure-Temperature Relationship of Saturated R-22 Refrigerant
Table 5-1. Pressure-Temperature Relationship of Saturated R-22 Refrigerant-Continued
SERVICE - Continued - TM-9-4120-380-140217
Table 5-2. Normal Operating Pressures (in full cooling mode)
DISCHARGING COMPRESSOR
PURGING COMPRESSOR
Figure 5-9. Purging Compressor
PUMP DOWN
Figure 5-10. Pump Down
START UP AFTER REPAIRS
FOLLOW ON PROCEDURES - TM-9-4120-380-140225
HIGH REFRIGERANT PRESSURE SWITCH (S5)
Figure 5-12. High Refrigerant Pressure Switch (S5)
TESTING/ADJUSTMENT - TM-9-4120-380-140228
LOW REFRIGERANT PRESSURE SWITCH (S4).
Figure 5-13. Low Refrigerant Pressure Switch (S4)
TESTING/ADJUSTMENT - TM-9-4120-380-140231
DRY FILTER (F1) (DEHYDRATOR)
FOLLOW ON PROCEDURES - TM-9-4120-380-140233
SIGHT REFRIGERANT GLASS
FOLLOW ON PROCEDURES - TM-9-4120-380-140235
HOT GAS BYPASS SERVICE VAIN (V7).
FOLLOW ON PROCEDURES - TM-9-4120-380-140237
LIQUID QUENCH SERVICE VALVE (V3)
FOLLOW ON PROCEDURES - TM-9-4120-380-140239
RECEIVER SERVICE VALVE (V2). - TM-9-4120-380-140240
DAMPER ACTUATOR SERVICE VALVE (V1)
RECEIVER SERVICE VALVE (V2). - TM-9-4120-380-140242
Figure 5-19. Damper Actuator Service Valve (V1)
INSTALLATION - TM-9-4120-380-140244
SOLENOID VALVES L1 AND L2).
Figure 5-20. Solenoid Valves (L1 and L2)
INSTALLATION - TM-9-4120-380-140247
EXPANSION VALVE (V5) PRIMARY)
Figure 5-21. Expansion Valve (V5) (Primary)
REMOVAL - TM-9-4120-380-140250
DISASSEMBLY - TM-9-4120-380-140251
FOLLOW ON PROCEDURES - TM-9-4120-380-140252
EXPANSION VALVE (V6) (LIQUID QUENCH)
Figure 5-22. Expansion Valve (V6) (Liquid Quench)
REMOVAL - TM-9-4120-380-140255
DISASSEMBLY - TM-9-4120-380-140256
INSTALLATION - TM-9-4120-380-140257
HOT GAS BYPASS VALVE (V).
Figure 5-23. Hot Gas Bypass Valve (V4)
REMOVAL - TM-9-4120-380-140260
REASSEMBLY - TM-9-4120-380-140261
DAMPER ACTUATOR
Figure 5-24. Damper Actuator
REMOVAL - TM-9-4120-380-140264
DAMPER ACTUATOR CONNECTING LINK
Figure 5-25. Damper Actuator Connecting Link
INSTALLATION - TM-9-4120-380-140267
DISTRIBUTOR
INSTALLATION - TM-9-4120-380-140269
SERVICE VALVES (V9 AND V8) (DISCHARGE AND SUCTION
INSTALLATION - TM-9-4120-380-140271
COMPRESSOR (B2)
Figure 5-28. Compressor (B2) (Sheet 1 of 2)
REMOVAL - TM-9-4120-380-140274
Figure 5-28. Compressor (B2) (Sheet 2 of 2)
REMOVAL - continued - TM-9-4120-380-140276
COMPRESSOR MOTOR BURNOUT INSPECTION
INSTALLATION - TM-9-4120-380-140278
VIBRATION ELIMINATORS (VE1 AND VE2
INSTALLATION - TM-9-4120-380-140280
RECEIVER - TM-9-4120-380-140281
INSTALLATION - TM-9-4120-380-140282
REFRIGERANT STRAINER (F2)
FOLLOW ON PROCEDURES - TM-9-4120-380-140284
TUBING AND FITTINGS - TM-9-4120-380-140285
INSTALLATION - Continued - TM-9-4120-380-140286
CHAPTER 6 GENERAL SUPPORT MAINTENANCE - TM-9-4120-380-140287
Section II. GENERAL SUPPORT MAINTENANCE PROCEDURES - TM-9-4120-380-140288
CONDENSER DUCT
REMOVAL - TM-9-4120-380-140290
Figure 6-1. Condenser Duct
INSTALLATION - TM-9-4120-380-140292
INITIAL SETUP
Figure 6-2. Left Frame Panel (Chassis)
INSTALLATION - TM-9-4120-380-140295
FOLLOW ON PROCEDURES - TM-9-4120-380-140296
CONDENSER COIL. - TM-9-4120-380-140297
Figure 6-3. Condenser Coil
INSTALLATION - TM-9-4120-380-140299
EVAPORATOR COIL - TM-9-4120-380-140300
Figure 6-4. Evaporator Coil
INSTALLATION - TM-9-4120-380-140302
APPENDIX A REFERENCES - TM-9-4120-380-140303
APPENDIX B MAINTENANCE ALLOCATION CHART - TM-9-4120-380-140304
EXPLANATION OF COLUMNS IN THE MAC. SECTION II.
Column 4, "Maintenance Category
Section II. MAINTENANCE ALLOCATION CHART - TM-9-4120-380-140307
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140308
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140309
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140310
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140311
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140312
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140313
Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART
Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART - Continued
Section IV. REMARKS MAINTENANCE ALLOCATION CHART - TM-9-4120-380-140316
Section IV. REMARKS MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140317
Section IV. REMARKS MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140318
APPENDIX C COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LIST - TM-9-4120-380-140319
Section III. BASIC ISSUE ITEMS - TM-9-4120-380-140320
APPENDIX D ADDITIONAL AUTHORIZATION LIST - TM-9-4120-380-140321
Section II. ADDITIONAL AUTHORIZATION LIST - TM-9-4120-380-140322
APPENDIX E EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST - TM-9-4120-380-140323
Section II. EXPENDABLE SUPPLIES AND MATERIALS LIST - TM-9-4120-380-140324
Section II. EXPENDABLE SUPPLIES AND MATERIALS LIST - Continued - TM-9-4120-380-140325
TM-9-4120-380-14 Air Conditioner 24 000 BTU Electric Motor Driven 208 V 3 Phase 50/60 Hz 5 Wire Manual
CHAPTER 1 INTRODUCTION - TM-9-4120-380-140013
DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE - TM-9-4120-380-140014
Section II. EQUIPMENT DESCRIPTION - TM-9-4120-380-140015
Figure 1-1. External Major Components
Internal Major Components
EQUIPMENT DATA. - TM-9-4120-380-140018
SAFETY, CARE AND HANDLING
Section III. TECHNICAL PRINCIPLES OF OPERATION - TM-9-4120-380-140020
Figure 1-3. Functional Block Diagram
Bypass Cycle
CHAPTER 2 OPERATING INSTRUCTIONS - TM-9-4120-380-140023
Figure 2-1. Controls and Indicators
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-380-140025
Table 2-1. Operator-Preventive Maintenance Checks and Services
Table 2-1. Operator-Preventive Maintenance Checks and Services - Continued - TM-9-4120-380-140027
Table 2-1. Operator-Preventive Maintenance Checks and Services - Continued - TM-9-4120-380-140028
Section III. OPERATION UNDER USUAL CONDITIONS - TM-9-4120-380-140029
General Information.
OPERATION IN VENT MODE - TM-9-4120-380-140031
Figure 2-3. Ventilate Mode (Settings and Indicators)
OPERATION IN HEAT MODE - TM-9-4120-380-140033
Figure 2-4. Heat Mode
OPERATION IN COOL MODE - TM-9-4120-380-140035
Figure 2-5. Cool Mode
OPERATION IN AUTO MODE
Figure 2-6. Auto Mode
SHUTDOWN (OFF)
Figure 2-7. Off Mode
PREPARATION FOR MOVEMENT - TM-9-4120-380-140041
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-9-4120-380-140042
OPERATION IN UNUSUALLY WET CONDITIONS
CHAPTER 3 OPERATOR MAINTENANCE - TM-9-4120-380-140044
AIR CONDITIONER WILL NOT START IN AUTO MODE
REDUCED COOLING CAPACITY - TM-9-4120-380-140046
REDUCED HEATING CAPACITY - TM-9-4120-380-140047
EXCESSIVELY NOISY OPERATION - TM-9-4120-380-140048
Section III. OPERATOR MAINTENANCE PROCEDURES - TM-9-4120-380-140049
CHAPTER 4 UNIT MAINTENANCE PROCEDURES
Section III. SERVICE UPON RECEIPT - TM-9-4120-380-140051
RECEIVING INSPECTION - TM-9-4120-380-140052
General
Instructors
Figure 4-2. Evaporator Duct/Panel Removal
Figure 4-4. Compressor Section Panel Removal
Connect Electrical Connection
Figure 4-6. Electrical Connections
Condenser and Evaporator Fans Rotation Check
Figure 4-9. Condenser Fan Section Panel Installation
Section IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-380-140061
PMCS COLUMNAR ENTRIES
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - TM-9-4120-380-140063
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140064
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140065
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140066
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - Continued - TM-9-4120-380-140067
Section V. UNIT TROUBLESHOOTING
AIR CONDITIONER WILL NOT START
EVAPORATOR AND CONDENSER FANS BOTH RUN, BUT COMPRESSOR DOES NOT START AFTER TIME DELAY
COMPRESSOR STARTS NORMALLY, BUT CONTROL CIRCUIT BREAKER (CB1) SOON TRIPS
REDUCED HEATING CAPACITY - TM-9-4120-380-140072
EVAPORATOR FAN MOTOR (B2) DOES NOT OPERATE
EXCESSIVE NOISE WHEN COMPRESSOR STARTS
FAULT RESET SWITCH (S12) DOES NOT RESET
LOW SUCTION PRESSURE INDICATOR (DS7) ON
HIGH DISCHARGE PRESSURE LIGHT (DS6) ON
Section VI. UNIT MAINTENANCE PROCEDURES - TM-9-4120-380-140078
Section VI. UNIT MAINTENANCE PROCEDURES - Continued
Figure 4-12. Electrical Schematic
COOL FUNCTION.
HEAT FUNCTION
VENT (CIRCULATE) FUNCTION
EVAPORATOR DUCT/PANEL
Figure 4-13. Evaporator Duct Panel
REPAIR/REPLACE - TM-9-4120-380-140086
INSTALLATION - TM-9-4120-380-140087
CONDENSER FAN SECTION PANEL
REPAIR/REPLACE - TM-9-4120-380-140089
REPAIR/REPLACE - Continued - TM-9-4120-380-140090
INSTALLATION - TM-9-4120-380-140091
COMPRESSOR SECTION PANEL
REPAIR/REPLACE - TM-9-4120-380-140093
REPAIR/REPLACE - Continued - TM-9-4120-380-140094
INSTALLATION - TM-9-4120-380-140095
INFORMATION PLATE
Figure 4-16. Information Plate
RETURN AIR FILTER.
INSTALLATION - TM-9-4120-380-140099
CONTROL .BOX ASSEMBLY AND COMPONENTS
INSPECTION, TESTING, REPAIR AND REPLACE
INSTALLATION - TM-9-4120-380-140102
FOLLOW ON PROCEDURES - TM-9-4120-380-140103
MODE SELECT SWITCH (S1) AND KNOB
Table 4-3. Mode Select Switch Test
Table 4-3. Mode Select Switch Test - Continued
FOLLOW ON PROCEDURES - TM-9-4120-380-140107
PRIME UNIT SELECT SWITCH (S11).
INSTALLATION - TM-9-4120-380-140109
FAULT RESET SWITCH (S12)
REMOVAL - TM-9-4120-380-140111
RESISTOR BOARD
INSTALLATION - TM-9-4120-380-140113
RESISTORS (R1-R7)
FOLLOW ON PROCEDURES - TM-9-4120-380-140115
INDICATOR LIGHTS (DS 1-DS7)
INSTALLATION - TM-9-4120-380-140117
CONTACTORS (K1-K5)
FOLLOW ON PROCEDURES - TM-9-4120-380-140119
PHASE RELAY (K6)
ADJUSTMENT - TM-9-4120-380-140121
FAULT RELAYS (K7-K10)
FOLLOW ON PROCEDURES - TM-9-4120-380-140123
LATCHING RELAY (K11)
INSTALLATION - TM-9-4120-380-140125
RELAY MOUNTING PLATE
Figure 4-29. Relay Mounting Plate
REPAIR - TM-9-4120-380-140128
CIRCUIT BREAKERS (CB 1 AND CB2)
INSTALLATION - TM-9-4120-380-140130
SLAVE RELAYS (K12-K15)
INSTALLATION - TM-9-4120-380-140132
TIME DELAY RELAYS (TRI AND TR2)
Figure 4-32. Time Delay Relays (TR1 and TR2)
REPAIR/REPLACE - TM-9-4120-380-140135
RELAY SOCKETS (K6-K11. TR1 AND TR2)
INSTALLATION - TM-9-4120-380-140137
Figure 4-33. Relay Sockets (K6-K11, TR1 and TR2)
TERMINAL BOARDS (TB1 AND TB2) - TM-9-4120-380-140139
FOLLOW ON PROCEDURES - TM-9-4120-380-140140
ELECTRICAL BOX
FOLLOW ON PROCEDURES - TM-9-4120-380-140142
WIRE HARNESS - TM-9-4120-380-140143
FOLLOW ON PROCEDURES - TM-9-4120-380-140144
EVAPORATOR MOTOR AND HOUSING ASSEMBLY
INSPECTION, TESTING, AND REPLACEMENT - TM-9-4120-380-140146
FOLLOW ON PROCEDURES - TM-9-4120-380-140147
EVAPORATOR FAN AND HOUSING ASSEMBLY
INSTALLATION - TM-9-4120-380-140149
Figure 4-37. Evaporator Fan and Housing Assembly
EVAPORATOR (B2)
INSTALLATION - TM-9-4120-380-140152
CONDENSER MOTOR AND HOUSING ASSEMBLY
INSPECTION, TESTING, AND REPLACEMENT - TM-9-4120-380-140154
FOLLOW ON PROCEDURES - TM-9-4120-380-140155
CONDENSER FAN AND HOUSING ASSEMBLY
INSTALLATION - TM-9-4120-380-140157
Figure 440. Condenser Fan and Housing Assembly
CONDENSER MOTOR(B3)
INSTALLATION - TM-9-4120-380-140160
ELECTRICAL HEATERS (HR1 AND HR2)
INSTALLATION - TM-9-4120-380-140162
HEAT LIMIT SWITCHES (S9 AND S10)
INSTALLATION - TM-9-4120-380-140164
THERMOSTAT (S2)
INSTALLATION - TM-9-4120-380-140166
FOLLOW ON PROCEDURES - TM-9-4120-380-140167
AIRFLOW FILTER SWITCH (S3)
ADJUSTMENT - TM-9-4120-380-140169
Figure 4-45. Airflow Filter Switch (S3)
HEAT FAULT THERMOSTAT (S8)
INSTALLATION - TM-9-4120-380-140172
CRANKCASE HEATER (HR3)
Figure 4-47. Crankcase Heater (HR3)
INSTALLATION - TM-9-4120-380-140175
SOLENOID VALVES (L1 AND L2) COIL.
Figure 4-48. Solenoid Valves (L1 and L2) Coil
REPLACE - TM-9-4120-380-140178
CONDENSER COIL - TM-9-4120-380-140179
FOLLOW ON PROCEDURES - TM-9-4120-380-140180
EVAPORATOR COIL - TM-9-4120-380-140181
FOLLOW ON PROCEDURES - TM-9-4120-380-140182
DRAIN AREA
Figure 4-51. Drain Area
Section VII. PREPARATION FOR STORAGE OR SHIPMENT - TM-9-4120-380-140185
CHAPTER 5 DIRECT SUPPORT MAINTENANCE - TM-9-4120-380-140186
Section II. DIRECT SUPPORT MAINTENANCE PROCEDURES-Continued
PANELS AND INFORMATION PLATES
EVAPORATOR MOTOR (B2).
Figure 5-1. Evaporator Motor (B2)
REASSEMBLY - TM-9-4120-380-140191
CONDENSER MOTOR (B3)
Figure 5-2. Condenser Motor (B3)
REASSEMBLY - TM-9-4120-380-140194
REFRIGERATION SYSTEM GENERAL REPAIRS
SERVICE MANIFOLD INSTALLATION - TM-9-4120-380-140196
FOLLOW ON PROCEDURES - TM-9-4120-380-140197
Figure 5-3. Service Manifold Installation
DISCHARGING REFRIGERANT SYSTEM
Figure 5-4. Discharging Refrigerant System
PURGING REFRIGERANT SYSTEM
Figure 5-5. Purging Refrigerant System
BRAZING/DEBRAZING PROCEDURES - TM-9-4120-380-140203
SERVICE - TM-9-4120-380-140204
LEAK TESTING REFRIGERANT SYSTEM
SERVICE - TM-9-4120-380-140206
EVACUATING REFRIGERANT SYSTEM
SERVICE - TM-9-4120-380-140208
Figure 5-6. Evacuating Refrigerant System
CHARGING REFRIGERANT SYSTEM
Figure 5-7. Charging Refrigerant System
SERVICE - continued - TM-9-4120-380-140212
SERVICE - continued - TM-9-4120-380-140213
REFRIGERANT PRESSURE CHECK - TM-9-4120-380-140214
Table 5-1 Pressure-Temperature Relationship of Saturated R-22 Refrigerant
Table 5-1. Pressure-Temperature Relationship of Saturated R-22 Refrigerant-Continued
SERVICE - Continued - TM-9-4120-380-140217
Table 5-2. Normal Operating Pressures (in full cooling mode)
DISCHARGING COMPRESSOR
PURGING COMPRESSOR
Figure 5-9. Purging Compressor
PUMP DOWN
Figure 5-10. Pump Down
START UP AFTER REPAIRS
FOLLOW ON PROCEDURES - TM-9-4120-380-140225
HIGH REFRIGERANT PRESSURE SWITCH (S5)
Figure 5-12. High Refrigerant Pressure Switch (S5)
TESTING/ADJUSTMENT - TM-9-4120-380-140228
LOW REFRIGERANT PRESSURE SWITCH (S4).
Figure 5-13. Low Refrigerant Pressure Switch (S4)
TESTING/ADJUSTMENT - TM-9-4120-380-140231
DRY FILTER (F1) (DEHYDRATOR)
FOLLOW ON PROCEDURES - TM-9-4120-380-140233
SIGHT REFRIGERANT GLASS
FOLLOW ON PROCEDURES - TM-9-4120-380-140235
HOT GAS BYPASS SERVICE VAIN (V7).
FOLLOW ON PROCEDURES - TM-9-4120-380-140237
LIQUID QUENCH SERVICE VALVE (V3)
FOLLOW ON PROCEDURES - TM-9-4120-380-140239
RECEIVER SERVICE VALVE (V2). - TM-9-4120-380-140240
DAMPER ACTUATOR SERVICE VALVE (V1)
RECEIVER SERVICE VALVE (V2). - TM-9-4120-380-140242
Figure 5-19. Damper Actuator Service Valve (V1)
INSTALLATION - TM-9-4120-380-140244
SOLENOID VALVES L1 AND L2).
Figure 5-20. Solenoid Valves (L1 and L2)
INSTALLATION - TM-9-4120-380-140247
EXPANSION VALVE (V5) PRIMARY)
Figure 5-21. Expansion Valve (V5) (Primary)
REMOVAL - TM-9-4120-380-140250
DISASSEMBLY - TM-9-4120-380-140251
FOLLOW ON PROCEDURES - TM-9-4120-380-140252
EXPANSION VALVE (V6) (LIQUID QUENCH)
Figure 5-22. Expansion Valve (V6) (Liquid Quench)
REMOVAL - TM-9-4120-380-140255
DISASSEMBLY - TM-9-4120-380-140256
INSTALLATION - TM-9-4120-380-140257
HOT GAS BYPASS VALVE (V).
Figure 5-23. Hot Gas Bypass Valve (V4)
REMOVAL - TM-9-4120-380-140260
REASSEMBLY - TM-9-4120-380-140261
DAMPER ACTUATOR
Figure 5-24. Damper Actuator
REMOVAL - TM-9-4120-380-140264
DAMPER ACTUATOR CONNECTING LINK
Figure 5-25. Damper Actuator Connecting Link
INSTALLATION - TM-9-4120-380-140267
DISTRIBUTOR
INSTALLATION - TM-9-4120-380-140269
SERVICE VALVES (V9 AND V8) (DISCHARGE AND SUCTION
INSTALLATION - TM-9-4120-380-140271
COMPRESSOR (B2)
Figure 5-28. Compressor (B2) (Sheet 1 of 2)
REMOVAL - TM-9-4120-380-140274
Figure 5-28. Compressor (B2) (Sheet 2 of 2)
REMOVAL - continued - TM-9-4120-380-140276
COMPRESSOR MOTOR BURNOUT INSPECTION
INSTALLATION - TM-9-4120-380-140278
VIBRATION ELIMINATORS (VE1 AND VE2
INSTALLATION - TM-9-4120-380-140280
RECEIVER - TM-9-4120-380-140281
INSTALLATION - TM-9-4120-380-140282
REFRIGERANT STRAINER (F2)
FOLLOW ON PROCEDURES - TM-9-4120-380-140284
TUBING AND FITTINGS - TM-9-4120-380-140285
INSTALLATION - Continued - TM-9-4120-380-140286
CHAPTER 6 GENERAL SUPPORT MAINTENANCE - TM-9-4120-380-140287
Section II. GENERAL SUPPORT MAINTENANCE PROCEDURES - TM-9-4120-380-140288
CONDENSER DUCT
REMOVAL - TM-9-4120-380-140290
Figure 6-1. Condenser Duct
INSTALLATION - TM-9-4120-380-140292
INITIAL SETUP
Figure 6-2. Left Frame Panel (Chassis)
INSTALLATION - TM-9-4120-380-140295
FOLLOW ON PROCEDURES - TM-9-4120-380-140296
CONDENSER COIL. - TM-9-4120-380-140297
Figure 6-3. Condenser Coil
INSTALLATION - TM-9-4120-380-140299
EVAPORATOR COIL - TM-9-4120-380-140300
Figure 6-4. Evaporator Coil
INSTALLATION - TM-9-4120-380-140302
APPENDIX A REFERENCES - TM-9-4120-380-140303
APPENDIX B MAINTENANCE ALLOCATION CHART - TM-9-4120-380-140304
EXPLANATION OF COLUMNS IN THE MAC. SECTION II.
Column 4, "Maintenance Category
Section II. MAINTENANCE ALLOCATION CHART - TM-9-4120-380-140307
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140308
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140309
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140310
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140311
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140312
Section II. MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140313
Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART
Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART - Continued
Section IV. REMARKS MAINTENANCE ALLOCATION CHART - TM-9-4120-380-140316
Section IV. REMARKS MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140317
Section IV. REMARKS MAINTENANCE ALLOCATION CHART - Continued - TM-9-4120-380-140318
APPENDIX C COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LIST - TM-9-4120-380-140319
Section III. BASIC ISSUE ITEMS - TM-9-4120-380-140320
APPENDIX D ADDITIONAL AUTHORIZATION LIST - TM-9-4120-380-140321
Section II. ADDITIONAL AUTHORIZATION LIST - TM-9-4120-380-140322
APPENDIX E EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST - TM-9-4120-380-140323
Section II. EXPENDABLE SUPPLIES AND MATERIALS LIST - TM-9-4120-380-140324
Section II. EXPENDABLE SUPPLIES AND MATERIALS LIST - Continued - TM-9-4120-380-140325
TM-9-4120-380-14 Air Conditioner 24 000 BTU Electric Motor Driven 208 V 3 Phase 50/60 Hz 5 Wire Manual
