Heyy I just open a system and reclosed it by brazing is a nitrogen purge necessary or can I just perform a nitrogen pressure test then vacuum the. Add my freon
Dear engineer if you please I would like to explain a size of capillary tube for deferment types of the refrigerator
Where can i find a list of every tool needed for compressor change out. Can I use a regular vacuum pump instead of a reclamation machine?