Air Conditioner Repair Precautions Refrigerant Handling Precautions R-134a refrigerant is highly volatile. Contact with a drop of refrigerant on the skin can cause local frostbite. Wear goggles to protect...
Installation of fittings Connection with bolts and nuts Pic. 8.56. Air conditioning piping connection Apply compressor oil to all fasteners to facilitate tightening just enough to ensure a tight...
Creating a vacuum in the system Note. Every time the system is opened, a vacuum must be created to protect against air and moisture ingress. After installing any element, vacuum should be maintained in...