Air Conditioning Explained - How It Works and How To Fix It, R12 to R134a Conversion - Volvo 740

Описание к видео Air Conditioning Explained - How It Works and How To Fix It, R12 to R134a Conversion - Volvo 740

This time, I get the wagon's AC working and explain how everything works in excruciating detail.

In this video, you can learn about some basic thermodynamics, latent heat, vapor pressure, vapor cycle air conditioning operating principles, refrigerants (R12, R134a and R1234yf), how to service your AC, how to use a manifold gauge, and how to troubleshoot your A/C.

00:00 Intro
00:52 Operating Principles
18:34 Refrigerant Lines
25:09 Compressor and Oils
27:52 Condenser/Flushing
30:54 Expansion Valve, Evaporator, Receiver-Drier
34:57 Vacuuming System, Leak Test
38:10 Electrics
42:56 Refrigerants
45:09 Charging The System
48:13 Pressure Switches
50:03 Troubleshooting/Manifold Gauge
54:51 A/C Working
56:50 Leak Check 2
58:00 Ok Bye

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