Handling Refrigerant-134A
IMPORTANT: Before opening the refrigeration system, make sure the work area is well ventilated. Welding or steam-cleaning operations should not be done on or near refrigeration system lines or other air conditioning parts on the vehicle.WARNING: Avoid breathing A/C Refrigerant-134a and lubricant vapor and mist. Exposure may irritate eyes, nose, and throat. To remove R-134a from the A/C system, use service equipment certified to meet the requirements of SAE J221O (R-134a recycling equipment). If accidental system discharge occurs, ventilate work area before resuming service. Additional health and safety information may be obtained from refrigerant and lubricant manufacturers.
IMPORTANT:
- Never mix R-12 refrigerant and R-134a refrigerant, even in the smallest of amounts. They are incompatible with each other, If the refrigerants are mixed, compressor failure is likely to occur.
- Use only specified lubricant (PAG) for the R-134a A/C system and R-134a components. If lubricants other than those specified are used, compressor failure is likely to occur. Coat all fittings and O-ring seals with clean 525 Viscosity refrigerant oil to provide a leak-proof seal and to aid in assembly and disassembly.
- Do not store or heat refrigerant containers above 125°F (52°C).
- Do not heat a refrigerant container with an open flame. if the container must be warmed, place the bottom of the container in a pail of warm water.
- Do not intentionally drop, puncture, or incinerate refrigerant containers.
- Refrigerant will displace oxygen, so be certain to work in well ventilated areas to prevent suffocation.
- Do not introduce compressed air to any refrigerant container or refrigerant component. Contamination will occur.
- If it is necessary to carry a container of "Dot CFR" Refrigerant-134a in a vehicle, do not carry it in the passenger compartment.
NOTE: All Refrigerant-134a disposable (colored "Blue") containers are shipped with a heavy metal screw cap to protect the valve and safety plug of the container from damage. Replace the cap after each use of the container to continue protection.