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Twsbi Mini Problem With O-Ring: Help!


Oldtimer

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I had cleaned my TWSBI mini but when the water was clear after a few flushings, I still saw some black specs and threads hanging from the piston. So I disassembled it completely and made sure everything was out. The piston looked good, perfect.

 

On the next water flushing after assembling there was still some of this debris. I removed the nib and the section and looked into the empty barrel from the side of the nib and found this. The small o-ring is dissolving, kaput. The ink was Black Swan in Australian Roses. Since the nib is EF I guess I think it was too long on the barrel? Was it another of the previous inks that did it? I will never know, but the area where it is right now makes it impossible to be replaced by me.

 

I suppose I can send it back to have this o-ring replaced... Just wanted to know who else has exhibited this kind of defect.

 

I will get better photos, but surely, I think I have to return to TWSBI.

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post-114244-0-14749200-1488235737_thumb.jpg

post-114244-0-70199700-1488235840_thumb.jpg

Edited by Berelleza
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That ring cannot be placed in its location without special tools. It is inside the barrel where you attach the section, not on the outside... Not regular size, very small. I have regular size o-rings that would be appropriate for the outside of the barrel.

Edited by Berelleza
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That ring cannot be placed in its location without special tools. It is inside the barrel where you attach the section, not on the outside... Not regular size, very small. I have regular size o-rings that would be appropriate for the outside of the barrel.

Any address / information or site I can contact TWSBI Customer Service?

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  • 3 weeks later...

I think the "o-Ring" was dry ink, stain. See pic included.

I have an Eco and a couple 580s that have each seen plenty of Australian Roses (I admire your taste), with no problems.

 

Have you tried digging in there with a q-tip? It's hard to tell where exactly the issue is from the pics. I hate to give too much advice because I haven't used a mini.

"Never be a spectator to unfairness or stupidity" (Christopher Hitchens)

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