Thermo King T-500R Maintenance Manual page 5

Condenser Check Valve and Purge Check Valve Test (T-500R/T-Dairy)...................................10-29
Condenser Check Valve, Purge Check Valve, and Receiver Tank Pressure Solenoid Leak
Test (Multi-Temp Units Only)......................................................................................................10-30
Condenser Inlet Solenoid (CIS) Test ............................................................................................10-31
Condenser/Radiator Coil Replacement.........................................................................................10-31
Dehydrator (Filter-Drier) Replacement ........................................................................................10-32
Discharge Pressure Regulator (DPR) Test....................................................................................10-32
Discharge Pressure Regulator (DPR) Replacement......................................................................10-30
Discharge Pressure Transducer Testing........................................................................................10-33
Discharge Pressure Transducer Replacement...............................................................................10-33
Discharge Strainer Test.................................................................................................................10-33
Discharge Strainer Replacement...................................................................................................10-34
Electronic Throttling Valve (ETV) Testing..................................................................................10-34
Electronic Throttling Valve (ETV) Replacement .........................................................................10-34
Evaporator Coil Replacement .......................................................................................................10-39
Expansion Valve Replacement .....................................................................................................10-40
Heat Exchanger Replacement .......................................................................................................10-41
High Pressure Cutout Switch (HPCO) Test..................................................................................10-41
High Pressure Cutout Switch (HPCO) Replacement....................................................................10-41
High Pressure Relief Valve Replacement.....................................................................................10-42
Hot Gas Bypass Solenoid (HGBS) Test .......................................................................................10-43
Hot Gas Solenoid (HGS) Test ......................................................................................................10-43
In-Line Check Valve Replacement...............................................................................................10-43
Liquid Injection Solenoid (LIS) Test............................................................................................10-44
Liquid Injection Solenoid (LIS) Replacement..............................................................................10-44
Liquid Line Solenoid (LLS) and Liquid Return Check Valve Test (Multi-Temp Units Only)....10-45
Low Pressure Cutout Switch (LPCO) Test (T-500R/T-Dairy Only)............................................10-45
Low Pressure Cutout Switch (LPCO) Replacement.....................................................................10-45
Purge Valve (PV) Test ..................................................................................................................10-46
Receiver Tank Pressure Check Valve Test...................................................................................10-46
Receiver Tank Pressure Solenoid (RTPS) Test (Multi-Temp Units Only) ..................................10-46
Receiver Tank Replacement .........................................................................................................10-47
Solenoid Valve Replacement........................................................................................................10-47
Suction Line Check Valve Test (Multi-Temp Units Only) ..........................................................10-48
Suction Line Solenoid (SLS) Test (Multi-Temp Units Only) ......................................................10-48
Suction Pressure Regulator (SPR) Test ........................................................................................10-49
Suction Pressure Regulator (SPR) Replacement ..........................................................................10-49
Suction Pressure Transducer Testing (UT-Series and T-Series except T-500R/T-Dairy) ...........10-50
Suction Pressure Transducer Replacement...................................................................................10-50
Throttling Valve Test....................................................................................................................10-50
Throttling Valve Replacement and Repair ...................................................................................10-50
Clutch Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
Centrifugal Clutch.........................................................................................................................11-2
Clutch Maintenance ......................................................................................................................11-4
Structural Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Unit and Engine Mounting Bolts ..................................................................................................12-2
Unit Inspection..............................................................................................................................12-2
Condenser, Evaporator and Radiator Coils...................................................................................12-2
Micro-Channel Coil Cleaning Recommendations ........................................................................12-2
Fan Location .................................................................................................................................12-4
Defrost Drains (UT-Series)...........................................................................................................12-4
Defrost Damper.............................................................................................................................12-4
Fanshaft Assembly........................................................................................................................12-5
Mechanical Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1