ARMY TM 9-4120-381-14 NAVY EE-000-CA-MMA-010/7053-AC AIR FORCE TO 35E9-136-31 Section III.  DIRECT SUPPORT MAINTENANCE PROCEDURES Para Title Page 5-6 General ................................ ................................ ................................ .............................. 5-9 5-7 Panels and Information Plates................................ ................................ ............................. 5-9 5-8 Evaporator Motor (B1) ................................ ................................ ................................ ............... 5-11 5-9 Condenser Motor (B3)................................ ................................ ................................ ......... 5-14 5-10 Refrigeration System, General Repairs  ................................ ................................ .............. 5-17 5-11 Service Manifold Installation   ................................ ................................ .............................. 5-18 5-12 Discharging Refrigeration System  ................................ ................................ ...................... 5-20 5-13 Purging Refrigerant System  ................................ ................................ ............................... 5-22 5-14 Brazing/Debrazing Procedures ................................ ................................ ........................... 5-24 5-15 Leak Testing Refrigerant System ................................ ................................ ........................ 5-26 5-16 Evacuating Refrigerant System ................................ ................................ .......................... 5-28 5-17 Charging Refrigerant System  ................................ ................................ ............................. 5-31 5-18 Refrigerant Pressure Check  ................................ ................................ ............................... 5-34 5-19 Discharging Compressor................................ ................................ ................................ ..... 5-37 5-20 Purging Compressor  ................................ ................................ ................................ .......... 5-39 5-21 Pump Down  ................................ ................................ ................................ ....................... 5-41 5-22 Start Up After Repairs ................................ ................................ ................................ ........ 5-43 5-23 High Refrigerant Pressure Switch (S4) ................................ ................................ ............... 5-45 5-24 Low Refrigerant Pressure Switch (S5) ................................ ................................ ................ 5-48 5-25 Low Oil Pressure Switch (S7) ................................ ................................ ............................. 5-51 5-26 Drier Filter (Dehydrator)  ................................ ................................ ................................ ..... 5-54 5-27 Refrigerant Strainer ................................ ................................ ................................ ............ 5-57 5-28 Sight Refrigerant Glass  ................................ ................................ ................................ ...... 5-59 5-29 Service Valves (Head and Hot Gas Bypass) ................................ ................................ ....... 5-61 5-30 Service Valve (Expansion)  ................................ ................................ ................................ . 5-63 5-31 Service Valve (Actuator)  ................................ ................................ ................................ .... 5-65 5-32 Service Valves (Schrader)   ................................ ................................ ................................ . 5-67 5-33 Discharge Valve (Compressor) ................................ ................................ ........................... 5-69 5-34 Suction Valve (Compressor) ................................ ................................ ............................... 5-71 5-35 Solenoid Valves (L1 and L2)  ................................ ................................ .............................. 5-73 5-36 Thermostatic Expansion Valve (Liquid Quench) ................................ ................................ . 5-75 5-37 Hot Gas Bypass Valve  ................................ ................................ ................................ ....... 5-79 5-38 Thermostatic Expansion Valve (Primary)   ................................ ................................ ........... 5-83 5-39 Manual Valve (Bypass)  ................................ ................................ ................................ ...... 5-86 5-40 Vibration Eliminators  ................................ ................................ ................................ .......... 5-88 5-41 Condenser Fan Damper Actuator................................ ................................ ........................ 5-90 5-42 Receiver  ................................ ................................ ................................ ............................ 5-93 5-43 Distributor  ................................ ................................ ................................ .......................... 5-95 5-44 Pressure Regulator Valve ................................ ................................ ................................ ... 5-96 5-8