Zenith 5-S-127 | Cleaning the Tuning Capacitor

In this episode, taking time to clean the dirty tuning capacitor using citric acid; 1 teaspoon per 2 cups of warm water, a few drops of dishwashing liquid followed by numerous cycles in the ultrasonic cleaner with fresh water and citric acid before a thorough rinse and dry using forced air. In addition, Krud Kutter was used as a rust inhibitor to mitigate flash rust on the frame. The schematic to follow along: http://www.nostalgiaair.org/Resources... The playlist for the Zenith 5-S-127 (5S127), chassis 5516:    • Zenith 5-S-127 Restoration   Thanks for watching and subscribing to my channel on vintage radio repair and other related circuits. #restoreoldradios #5S127 #5516