JIG AND ARTICLE FOR CLEANING PIPING OF AIR CONDITIONER

摘要

PROBLEM TO BE SOLVED: To provide a method for cleaning an air conditioner in which cleaning of existing piping is realized in a short time and long term reliability is ensured even if existing piping is utilized for an air conditioner using an HFC based refrigerant. SOLUTION: In a method for cleaning the exiting piping of an air conditioner by carrying an article on compressed air from one opening of the piping connecting the inside and outside of the air conditioner thereby removing oil, moisture and dust remaining in the piping from the other opening thereof, the article is inserted using a tubular insertion jig and an inserting rod.