Which sae standards must be referred to on the label of approved hfc-134a refrigerant recycle machines?

The label of approved HFC-134a refrigerant recycling machines must refer to SAE standards J2788 and J2842. SAE J2788 outlines the performance requirements for recycling equipment, while J2842 provides guidelines for proper refrigerant management practices. Both standards ensure the safety, efficiency, and compliance of the recycling process.