capacitor glue

General discussion area for tube amps.

Moderators: pompeiisneaks, Colossal

Post Reply
Omicron
Posts: 4
Joined: Sun Sep 11, 2011 1:03 am

capacitor glue

Post by Omicron »

Hi everyone,

So this is a stupid question. A friend messed up the input jack on his Peavey solid-state amp, so I'm going to replace it. It's loaded up with a dozen electrolytic caps, so I figure I'll replace those while I'm in there as well - they're probably 10 years old at this point. A bunch of them are glued, presumably to prevent vibration issues. So probably I should glue the replacements as well.

My question is, what kind of glue should I be use after replacing the old caps?

Here's an example of what I'm talking about:

[img:1024:768]http://i234.photobucket.com/albums/ee25 ... p_glue.jpg[/img]

Thanks in advance![/img]
User avatar
Reeltarded
Posts: 10189
Joined: Sat Feb 14, 2009 4:38 am
Location: GA USA

Re: capacitor glue

Post by Reeltarded »

Heat resistant silicone caulk goo, like at Home Depot, or Lowe's. That high-temp gasket glue at Autozone or similar is kind of the same thing.
Signatures have a 255 character limit that I could abuse, but I am not Cecil B. DeMille.
Prairie Dawg
Posts: 156
Joined: Sun Jan 10, 2010 2:19 am
Location: Windsor Heights, Iowa

Re: capacitor glue

Post by Prairie Dawg »

I use hot melt craft glue. RTV often has acetic acid in it and the stuff's corrosive.
If you believe in coincidence you're not looking close enough-Joe leaphorn
User avatar
chief mushroom cloud
Posts: 429
Joined: Tue Jan 18, 2005 5:42 pm
Location: Peenemunde CA

Re: capacitor glue

Post by chief mushroom cloud »

Don't overthink it. Just drink it.
User avatar
Phil_S
Posts: 6048
Joined: Tue Oct 23, 2007 10:12 pm
Location: Baltimore, MD

Re: capacitor glue

Post by Phil_S »

:lol:, I'm going with off white...cheapest 3 oz tube.
User avatar
David Root
Posts: 3540
Joined: Fri Aug 04, 2006 3:00 pm
Location: Chilliwack BC

Re: capacitor glue

Post by David Root »

I use GE Silicone II clear, you can get it at Home Depot & just about everywhere. It is a different formula than GE Silicone I, which is the acetic acid generating formula, you do NOT want that.

GE Silicone II generates ammonia, ie is an alkaline cure, not an acidic cure.

I would test those small electrolytics before you change them out, if they test OK don't change 'em out. I just finished servicing a 1960 Fender Super that had an all original board population including all electrolytics, and even the bias board caps were still OK, dated 60-04!. I have an LCR meter that can accurately check caps in situ. (I did change out the entire main power supply caps though).
C Moore
Posts: 1266
Joined: Mon Oct 22, 2007 9:28 am
Location: USA, California, 94585

Re: capacitor glue

Post by C Moore »

David Root wrote:I use GE Silicone II clear, you can get it at Home Depot & just about everywhere. It is a different formula than GE Silicone I, which is the acetic acid generating formula, you do NOT want that.

GE Silicone II generates ammonia, ie is an alkaline cure, not an acidic cure.

I would test those small electrolytics before you change them out, if they test OK don't change 'em out. I just finished servicing a 1960 Fender Super that had an all original board population including all electrolytics, and even the bias board caps were still OK, dated 60-04!. I have an LCR meter that can accurately check caps in situ. (I did change out the entire main power supply caps though).
Which meter is that.?
Thanks
Tone Lover
Posts: 261
Joined: Tue Apr 27, 2010 4:39 am
Location: Everett Wa.

Re: capacitor glue

Post by Tone Lover »

bump need this again
Post Reply