EPA 608 Prep 39, Oil Recovery and Acid Tests — Compressor Health

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Understand that recovered refrigerant oil is regulated waste and must be disposed of properly, not in drains or regular trash. - Learn that a positive acid test on compressor oil is a definitive sign of a motor burnout, indicating the presence of corrosive acids. - Master the correct procedure after a compressor burnout: a full system flush and replacing the filter-drier are mandatory, not just replacing the compressor. - Differentiate between highly hygroscopic POE oil used with HFCs and less-absorbent mineral oil used with older refrigerants. - Recognize that oil logging in the evaporator reduces system capacity and can starve the compressor of essential lubrication. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep