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Joined: Apr 2018
Posts: 154
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Joined: Apr 2018
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As per Professor Shadow try using isopropyl alcohol that is at least 90%-100% alcohol.. I did that and it worked for me. On the line cards I set them in a bowl with the isopropyl alcohol over night and that did the trick.
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Joined: Jan 2008
Posts: 92 Likes: 5
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Of note: I added some extra info about these relays to that link Noobed2336 just linked to above: - A Western Electric document, dated 1979, describing the internal details of the 327 type relay, and its many revisions, and mentions the potting compound that is the likely culprit
- Some entertaining photos I took while de-soldering a 327A / 72K relay from one of my old 400D cards, and the gooey results of its innards!
I added some other details there. The relay seems to hold a large amount of this goo, probably on the order of a shot glass or so.
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