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Gerbrand
Joined: 13 May 2008
Posts: 199
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| Posted: Mon Dec 06, 2010 9:25 pm Post subject: Small glycol leak after retubing BG1209s - how to repair? |
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Hello all,
I retubed myBG1209s (1997 model). I had an arcing problems with the blue tube, so I ordered a new HV lead from Curt. Today I wanted to put the blue tube back, when I noticed that the air bubble in the plastic hose of the red tube had gotten significantly bigger 
I found that there actually is a glycol leak between the cast aluminium chamber and the thingy (don't know the proper name) that the plastic hose goes onto. Strangely enough I did not even touch the hose on that side.
What is the best way to repair this? I am very tempted just to put some RTV sealant around it.
Cheers
Gerbrand
_________________
BG1209s (color filtered,new LUGs!), 13000h
Bat cave
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Tue Dec 07, 2010 8:19 am Post subject: |
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Added RTV could work.
Better way would require to partly empty tube. Then remove hose coupling peace and clean it and thread. Then reattach it with something like Loctite 577.
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Tue Dec 07, 2010 1:38 pm Post subject: |
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This doesn't sound like a 1209s tube. they didn't have rubber/plastic hoses. That sounds like a plain 1209 tube..
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Gerbrand
Joined: 13 May 2008
Posts: 199
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| Posted: Tue Dec 07, 2010 3:47 pm Post subject: |
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| Curt Palme wrote: | | This doesn't sound like a 1209s tube. they didn't have rubber/plastic hoses. That sounds like a plain 1209 tube.. |
It is though. Early 1209s did not have variable SP, so they have a fixed SP. You can see pictures of my LC chambers (with the old tubes) in an older topic. https://www.curtpalme.com/forum_archived/viewtopic.php@t=21765.html. The part I am talking about is not visible but is located underneath the plate that is taped over.
Gerbrand
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BG1209s (color filtered,new LUGs!), 13000h
Bat cave
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Tue Dec 07, 2010 5:29 pm Post subject: |
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Wow, OK, I've never seen a 1209s with 1209 tubes.
If you can't get the leak stopped (very common on those older housings), then I have another housing that you can have really cheap. Transferring the tube isn't hard.
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Tue Dec 07, 2010 6:13 pm Post subject: |
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I have those same housings in my 808s, 8" tubes needed adapter plates to fit in 9" housings. 
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