A/C - R-12 Air Conditioner System Retrofit.: Service Precautions

A. Refrigerant handling

1. Do not handle refrigerant in an enclosed area or near an open flame.

2. Always wear eye protection.

3. Avoid getting liquid refrigerant in your eyes or on your skin.

4. Never heat a container with an open flame.

5. Keep containers below 104°F

6. When heating a refrigerant can with water, keep the valve above water.

7. Never reuse empty service cans.

B. Replacing Parts

1. Plug off any open connections to prevent the entry of moisture and dust.

2. Do not remove plugs from receiver/dryer ports until it is ready for installation.

C. Tightening connecting parts

1. Apply a few drops of specified PAG compressor oil to 0-ring fittings before tightening.

2. Avoid twisting refrigerant piping when installing R134a service fitting adapters.

3. Tighten all fittings to specified torque.

NOTE:
Oil removed during R-12 evacuation should not be used with an R134a System.