Heavy Equipment AC Systems

1 Heating, Ventilation, and Air Conditioning Copy 8 Topics | 1 Quiz

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0% Complete 0/8 Steps

Introduction Copy

System Overview Copy

History of Air Conditioning Copy

Today’s Air-Conditioning Systems Copy

Vehicle Heat and Cold Sources Copy

Purpose of The HVAC System Copy

Air-Conditioning Components Copy

Special Air-Conditioning Tools Copy

Heating, Ventilation, and Air Conditioning Quiz Copy

2 Environmental and Safety Practices Copy 11 Topics | 1 Quiz

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0% Complete 0/11 Steps

Introduction Copy

System Overview Copy

Stratospheric Ozone Depletion Copy

The Clean Air Act Copy

Greenhouse Effect Copy

Refrigerants Copy

Disposable Refrigerant Cylinders Copy

Refillable Cylinders Copy

Refrigerant Safety Copy

General Workplace Precautions Copy

Handling Refrigerant Cylinders Copy

Environmental and Safety Practices Quiz Copy

3 Thermodynamics Copy 11 Topics | 1 Quiz

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Atmospheric Pressure Copy

Pressure Hauges Copy

Vaccum Copy

Pressure/Temperature Relationship Copy

Humidity Copy

Thermodynamics Quiz Copy

4 Air-Conditioning Components: Compressor, Condenser, and Receiver-Drier Copy 11 Topics | 1 Quiz

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Introduction Copy

System Overview Copy

Compressor Copy

Two-Piston-Type Compressors Copy

Swash Plate Compressors Copy

Rotary Vane Compressors Copy

Variable Displacement Compressors Copy

Scotch Yoke Compressors Copy

Scroll Compressor Copy

Lubrication Copy

Condenser Copy

Air-Conditioning Components: Compressor, Condenser, and Receiver-Drier Quiz Copy

5 Air-Conditioning Components: Metering Devices, Evaporator, Accumulator Copy 12 Topics | 1 Quiz

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5.1 Introduction Copy

5.2 Metering Devices Copy

5.3 Thermostatic Expansion Valve Copy

5.4 Internally Equalized Thermostatic Expansion Valve Copy

5.5 Thermostatic Expansion Valve Operation Copy

5.6 Externally Equalized Thermostatic Expansion Valves Copy

5.7 The H Valve Copy

5.8 Fixed Orifice Tube Copy

5.9 Superheat Copy

5.10 Evaporator Copy

5.11 Accumulator Copy

5.12 Maintenance Procedures Copy

Air-Conditioning Components: Metering Devices, Evaporator, Accumulator Quiz Copy

6 The Refrigeration System Copy 11 Topics | 1 Quiz

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Lesson Content

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6.1 Introduction Copy

6.2 System Overview Copy

6.3 The Thermostatic Expansion Valve System Copy

6.4 The Fixed Orifice Tube System Copy

6.5 Refrigerant Pressure and States Copy

6.6 Refrigeration Capacity and Performance Ratings Copy

6.7 Electromagnetic Clutch Copy

6.8 Evaporator Temperature Control Copy

6.9 Compressor Protection Devices Copy

6.10 Maintenance Procedures Copy

6.11 Performance Tasks Copy

The Refrigeration System Quiz Copy

7 Service Procedures Copy 14 Topics | 1 Quiz

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Lesson Content

0% Complete 0/14 Steps

7.1 Introduction Copy

7.2 System Overview Copy

7.3 Manifold Gauges Copy

7.4 Refrigerant Lines, Hoses, and Couplers Copy

7.5 Hose and Line Repair Copy

7.6 Service Valves Copy

7.8 Leak Detection Copy

7.9 Servicing Air-Conditioning Systems Copy

7.10 Refrigerant Identification Copy

7.11 Vacuum Pump Copy

7.12 Evacuating Procedure Copy

7.13 Refrigerant Charging Copy

7.14 Refrigerant Recovery and Recycle Copy

7.15 Online Research Tasks Copy

Service Procedures Quiz Copy

8 Truck Engine Cooling Systems Copy 14 Topics | 1 Quiz

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Lesson Content

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8.1 Introduction Copy

8.2 System Overview Copy

8.3 Coolant Copy

8.4 Coolant Filters Copy

8.5 Cooling System Components Copy

8.6 Water Pump Copy

8.7 Thermostats Copy

8.8 Heater Core Copy

8.9 Heater Control Valve Copy

8.10 Bunk Heater and Air Conditioning Copy

8.11 Shutters Copy

8.12 Winter Fronts Copy

8.13 Cooling Fans Copy

8.14 Cooling System Management Copy

Truck Engine Cooling Systems Quiz Copy

9 Cab Climate Control/Supplemental Truck Heating and Cooling Copy 10 Topics | 1 Quiz

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9.1 Introduction Copy

9.2 System Overview Copy

9.3 Water-Valve Controlled Systems Copy

9.4 Sleeper Climate Control Panel Copy

9.5 Manual Water-Valve Controlled HVAC System Copy

9.6 Blend Air System Copy

9.7 HVAC General Information Copy

9.8 Supplemental CAB Climate Control Copy

9.9 Auxiliary Power Units Copy

9.10 Truck Stop Electrification Copy

Cab Climate Control/Supplemental Truck Heating and Cooling Quiz Copy

10 Troubleshooting and Performance Testing Copy 18 Topics | 1 Quiz

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Lesson Content

0% Complete 0/18 Steps

10.1 Introduction Copy

10.2 System Overview Copy

10.3 Servicing Copy

10.4 Performance Test Copy

10.5 Gauge System Copy

10.6 Some Air and Moisture Copy

10.7 Excessive Air and Moisture Copy

10.8 Condenser Air Flow Obstruction or Overcharged Copy

10.9 Low Refrigerant Charge Copy

10.10 Very Low Refrigerant Charge Copy

10.11 Restriction in the High Side of the System Copy

10.12 Expansion Valve Not Opening Enough Copy

10.13 Expansion Valve Held Open Copy

10.14 Defective Thermostatic Switch Copy

10.15 Defective Compressor Copy

10.16 Purging and Flushing Copy

10.17 Guidelines for Purging and Flushing Copy

10.18 Purging and Flushing Procedures Copy

Troubleshooting and Performance Testing Quiz Copy

11 APAD/ACPU A/C Control Systems Copy 19 Topics | 1 Quiz

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Lesson Content

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11.1 Introduction Copy

11.2 System Overview Copy

11.3 Common Air-Conditioning Problems Copy

11.4 The APAD System Copy

11.5 Electrical I/O Definition Copy

11.6 Inputs for ACPU CM-813 Controller Copy

11.7 Outputs for ACPU CM-813 Controller Copy

11.8 APADS Rules for Compressor Control (CM-813) Copy

11.9 Description of Diagnostic Faults Copy

11.10 Blink Codes Copy

11.11 Testing the CM-813 Module Copy

11.12 Fault Code Table Copy

11.13 Troubleshooting Copy

11.14 ACPU Control Functions CM-820 Copy

11.15 Pinout Definition Copy

11.16 Inputs For ACPU CM-820 Controller Copy

11.17 Outputs For ACPU CM-820 Controller Copy

11.18 Diagnostics Copy

11.19 Troubleshooting Copy

APAD/ACPU A/C Control Systems Quiz Copy

12 Coach Air Conditioning Copy 10 Topics | 1 Quiz

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Lesson Content

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12.1 Introduction Copy

12.2 Refrigeration Schematic Copy

12.3 Service Procedures Copy

12.4 Air-Conditioning System Pressure Copy

12.5 Checking Refrigerant Charge Copy

12.6 Refrigerant Recovery Copy

12.7 Checking Compressor Oil Level Copy

12.8 Superheat Test Procedures Copy

12.9 Air-Conditioning Troubleshooting Tips Copy

12.10 Low Side Pump Down Procedures Copy

Coach Air Conditioning Quiz Copy

13 Refrigeration Components Copy 16 Topics | 1 Quiz

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Lesson Content

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13.1 Introduction Copy

13.2 System Overview Copy

13.3 The Compressor Copy

13.4 Service Valves Copy

13.5 The Condenser Copy

13.6 The Receiver Tank Copy

13.7 Filter Drier Copy

13.8 Moisture Indicators Copy

13.9 Heat Exchanger Copy

13.10 The Thermostatic Expansion Valve Copy

13.11 Distributor Tube Copy

13.12 Evaporator Copy

13.13 Accumulator Copy

13.14 Pressure Regulating Devices Copy

13.15 Safety Valves Copy

13.16 Performance Tasks Copy

Refrigeration Components Quiz Copy

14 Refrigerant Flow Control Copy 8 Topics | 1 Quiz

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14.1 Introduction Copy

14.2 System Overview Copy

14.3 Refrigerant Cycle Control Valves Copy

14.4 Condenser Pressure Bypass Valve Copy

14.5 Check Valves Copy

14.6 Refrigerant Flow for Three-Way Valve Systems (Thermo King Units) Copy

14.7 Solenoid Control System (Carrier) Copy

14.8 Four-Way Valve (Trane/Arctic Traveler) Copy

Refrigerant Flow Control Quiz Copy

15 Truck Refrigeration Maintenance Copy 22 Topics | 1 Quiz

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Lesson Content

0% Complete 0/22 Steps

15.1 Introduction Copy

15.2 System Overview Copy

15.3 Engine Lubrication System Copy

15.4 Bleeding the Fuel System Copy

15.5 Air Filter Service/ Replacement Copy

15.6 Drive Belts Copy

15.7 Glow Plugs Copy

15.8 Engine Cooling System Copy

15.9 Defrost System Copy

15.10 Refrigeration Unit Pre-Trip Copy

15.11 External Leak Checking Copy

15.12 Testing Refrigerant Level Copy

15.13 Manifold Gauge Installation and Removal on a Refrigeration Unit with Manual Service Valves Copy

15.14 Compressor Oil Level Check Copy

15.15 Compressor Pump Down Copy

15.16 Compressor Oil Change Copy

15.17 Low Side Pump Down Copy

15.18 Refrigerant Removal Copy

15.19 Evacuation Procedures Copy

15.20 Soldering and Silver Brazing Copy

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Heavy Equipment AC Systems Final Quiz Copy

Heavy Equipment AC Systems

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