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Posted by Andrew Mawson on June 13, 2007, 12:26 pm
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> --Had to do some silver soldering the other day so I got out my
> nifty little air-acetylene torch. Trouble started when I couldn't
get it to
> ignite, despite nice shower of sparks from the sparker. Turns out
some mud
> wasps had built a nice little plug in the end of the torch tip! Got
most of
> the gunk out but it still doesn't work. Went to Praxxair (where I
bought it)
> to get parts a new tip but the guy at the counter was clueless. The
boss
> finally came out, said they don't stock parts any more, the torch
was obsolete
> but they could order parts. Ho hum. Went back home and switched to
propane
> torch and lower temp silver solder but this didn't work because all
I have
> is the higher temp flux; they were also out of the liquid flux at
Praxxair
> (I looked for the stuff when I was at the store but every type of
flux they
> stock seems to have been rebranded Praxxair. Sounds to me like
they're
> trying to develop a one-brand store: not good! Anyway it was an
interesting
> but frustrating afternoon. I'm wondering if it might be possible to
make my
> own flux out of lemon juice or some such. Suggestions appreciated.
>
>
> --
> "Steamboat Ed" Haas : Mostly somnambulent,
> Hacking the Trailing Edge! : occasionally brilliant...
> www.nmpproducts.com
> ---Decks a-wash in a sea of words---
Plain borax works for most brazing and silver brazing, though it can
be a b****r to get off if you don't dip it in the pickle while still
quite warm
AWEM
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> nifty little air-acetylene torch. Trouble started when I couldn't