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| dongfang |
 Posted: 12/25/2007 9:33 AM Post subject: How to: Fix a bad O-Ring Groove |
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Lieutenant Colonel
Joined: 27 Aug 2006
Posts: 445
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Hi,
I just discovered that putting a couple of layers of teflon tape into an O-ring groove that was cut slightly too deep helped the ring seal much better.
I removed the O-ring, wrapped 2 layers of cheap, thin teflon tape around th groove, taking care that it all folded (how to describe that in English??) into the groove. Then, I replaced the O-ring.
This might not be any good permanent solution - the part has to be made over again. But for experimental designs, at least one can fix a too deep groove this way, and then finding out what else needs to be redesigned before redoing the construction.
Hope somebody can use this.
Regards
Soren |
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| bluerussetboy |
| Posted: 12/25/2007 9:58 AM Post subject: |
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1st Lieutenant
Joined: 02 Nov 2007
Posts: 269
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i've used that trick many times. not because the groove was cut too deep, but by not having the right o-ring.
i hope it wasn't an expensive or time consuming piece that needs to get re-cut. |
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| jackssmirkingrevenge |
| Posted: 12/25/2007 10:10 AM Post subject: Re: If an O-ring groove was cut too deep... |
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space monkey
Joined: 15 Mar 2007
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| dongfang wrote: | | I removed the O-ring, wrapped 2 layers of cheap, thin teflon tape around th groove, taking care that it all folded (how to describe that in English??) into the groove. |
Well, if you said it "got into the groove" I would have imagined it just got up and went disco dancing  |
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| jrrdw |
| Posted: 12/25/2007 10:40 AM Post subject: Re: If an O-ring groove was cut too deep... |
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Donating Moderator
Joined: 16 Nov 2005
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| jackssmirkingrevenge wrote: | | dongfang wrote: | | I removed the O-ring, wrapped 2 layers of cheap, thin teflon tape around th groove, taking care that it all folded (how to describe that in English??) into the groove. |
Well, if you said it "got into the groove" I would have imagined it just got up and went disco dancing |
Nothing sucks worse then disco! Escept cutting your o-ring groove to deep. This should be moved to the "How To Section" as a tech tip. Good one I think. |
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| c19o |
| Posted: 12/25/2007 10:48 AM Post subject: |
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Major
Joined: 14 Dec 2006
Posts: 350
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Wow... I threw away 2 pistons just because I did that  |
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| markfh11q |
| Posted: 12/26/2007 20:07 PM Post subject: |
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Joined: 06 May 2006
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| I think it was clide who posted this suggestion on the old SGTC forums one time. Can't remember the specific thread, though. |
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| clide |
| Posted: 12/26/2007 22:30 PM Post subject: |
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Donating Member
Joined: 06 Mar 2005
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| markfh11q wrote: | | I think it was clide who posted this suggestion on the old SGTC forums one time. Can't remember the specific thread, though. |
Yeah that was probably me. This technique comes in handy quite a bit for me since I eyeball many of my cuts. |
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