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Removing dried Loctite blue (243)

8K views 12 replies 8 participants last post by  bykerhd 
#1 ·
I used a bit a Loctite on my RMR screws and I recently removed the RMR to give the slide a good cleaning. I noticed there was some dried Loctite residue around the screw holes in the slide and it seems that the RMR doesn't sit flat agains the slide cause of it.
Does anyone know of a safe ('safe" meaning safe for the slide finish) way to remove the dried residue? I've read that acetone will remove it but I'm not sure what that will do to my nitride finish. Any suggestions will be appreciated.

Thanks.
 
#4 ·
Two things,

if you put enough loctite on there that it is jacking the RMR up on re installation then you put way too much on the threads.

or, you are confusing that there is an O-ring in the base of the RMR that will hold it up off the slide until you torque it down lightly.

Any excess just scrape off with a finger nail and reapply just a single drop on the screw threads.
 
#6 ·
I thought I used just the bare minimum but I guess I squeezed out a little more than needed. It's definitely not an O ring. I'll try the heat gun first and hope that will clean it up. Thanks for the suggestions.


Two things,

if you put enough loctite on there that it is jacking the RMR up on re installation then you put way too much on the threads.

or, you are confusing that there is an O-ring in the base of the RMR that will hold it up off the slide until you torque it down lightly.

Any excess just scrape off with a finger nail and reapply just a single drop on the screw threads.
 
#9 ·
The first pic is showing the left side where the RMR sits flush. Second is the RMR not sitting so flush. Third and fourth are of the mounting "nubs" where the screws fasten the RMR to the slide. you can see the caked on Loctite. It's not a lot but enough to keep the RMR from sitting flush on the right side. And yes, the RMR did sit perfectly flush when first installed.




 
#12 ·
A heat gun will do the trick.
It will soften and peel off easily before anything gets hurt or discolored. I even used a soldering iron at a warm setting to peel off polymers.
 
#13 ·
I use the brass or even stainless steel GI "toothbrushes" for removing much of the dried and unwanted Blue Loctite on various fasteners.
What I can't reach, especially internal threads, with a brush I use dental pick type tools to scrape loose.
It usually breaks loose readily out of the treads when some a bit of pressure is applied.
 
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