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Re: Screw keeps coming loose

Author: kdk ★2017
Date: 2013-07-30 19:02

The first part of Chris's advice is important. Loctite won't hurt anything, but it may only be masking a problem with the way the screw or rod itself fits. IMO Loctite or nail polish is effective first-aid until you can get the problem fixed permanently. Screws should be able to be tightened firmly without binding the keys that pivot on them. A screw or rod that keeps working itself loose is most likely binding against the sleeve somewhere inside (and turning a little every time the key pivots). Trying to leave the screw slightly loose so it doesn't bind the key is, again, first-aid, masking a symptom while contributing to a new problem, the screw working its way out.

So, it's important before you try Loctite (or nail polish or anything else) to hold the screw still to try tightening it firmly. If the key binds, have it checked by a competent tech. Chris may or may not agree with me, but I'd go farther and say that the only way a screw can keep working loose like that is if it *is* binding somewhere, because to work loose something has to be turning it. So Loctite may stop it from happening but doesn't eliminate the cause.

Karl

Post Edited (2013-07-31 01:28)

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