QuestionMark Posted June 12, 2017 Share Posted June 12, 2017 Any ideas on how to get a jack for a guitar cord to stop loosening on an archtop. Happens on my ES 125TC. QM aka Jazzman Jeff Link to comment Share on other sites More sharing options...
L5Larry Posted June 12, 2017 Share Posted June 12, 2017 I would use and external tooth lock washer on the inside, just under the wood. http://www.homedepot.com/p/The-Hillman-Group-4-Stainless-Steel-External-Tooth-Lock-Washer-70-Pack-43798/204794826 I like my jacks to be flush with the wood on the outside, so this lock washer on the inside would be in conjunction with a clinch-nut and/or flat washer. Then you have to be able to tighten it all up without twisting off the wires. I use a pair of large curved jaw hemostats for this by grabbing the base of the tip spring contact, either through the f-hole, or through the plug hole itself. Tighten outside nut securely (nut driver, or open-end wrench depending on where the clamp is), but not too tight. Link to comment Share on other sites More sharing options...
QuestionMark Posted June 12, 2017 Author Share Posted June 12, 2017 Perfect. Thanks. I will stop at Home Depot and buy the lock washer and place it as you suggest. Thanks, again. QM aka Jazzman Jeff Link to comment Share on other sites More sharing options...
Drog Posted November 13, 2017 Share Posted November 13, 2017 Here is what I do. On the exposed part of the jack thread, put a little bit of clear nail polish. The nut will not spin off, if you do need to do maintenance you can break the seal easily. Works like a charm. As a caution when applying the nail polish, cover your guitar with a cloth in case you drip any. Link to comment Share on other sites More sharing options...
Guest Farnsbarns Posted December 10, 2017 Share Posted December 10, 2017 Threadlock suck as locktite. There are 2 grades. One you won't get undone without heating it to 700 degrees, and another, which you can simply brute force off. You want the latter. Link to comment Share on other sites More sharing options...
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