Precautions On Handling Refrigerant HFC-134A (R-134A)

When handling refrigerant, always wear goggles to protect your eyes.
Avoid you direct contact to liquid refrigerant.
Do not heat refrigerant container higher than 40°C (104°F).
Do not discharge refrigerant into atmosphere.
Do not allow liquid refrigerant to touch bright metals. Refrigerant combined with moisture is corrosive and will tarnish surfaces of bright metals including chrome.
After recovering refrigerant from system, the amount of compressor oil removed must be measured and the same amount added to the system.