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Thread: gas micro torch

  1. #1
    Join Date
    Jan 2009
    Location
    Medowie
    Posts
    29

    Default gas micro torch

    Not really welding. But metalwork.
    I bought a Rekrow butane micro torch years ago (model RK2020).
    Has had a multitude of uses over time from heatshrink, silver work, general heating and melting.
    I am really happy with its performance. I have used it very successfully for my small silverwork, rings and bangles etc.
    But I think it needs some work/cleaning?
    Instead of the normal pinpoint blue flame (hardly visible), I am getting a long yellow flame and a fluttering noise.
    I am not game to pull it apart. As I have no experience with these except to turn it on and use it.
    Is it possible to clean it somehow without a full dissassembly?
    Or is it time to throw it away and get another?

  2. #2
    Join Date
    Sep 2008
    Location
    Queensland
    Posts
    445

    Default

    Try an oxy acetylene pin cleaner thingy (the name escapes me right now) its just a little pocket index of little wires used to clean out the jets on the torch nozzle

    I bet that is what you need, your local welding gear supplier will have them
    happy turning

    Patrick

  3. #3
    Dave J Guest

    Default

    I bought a cheap $10 pencil burner one years ago and was working on rewiring an armourgaurd truck on site. One day it did as you said above, so I took it apart and used a pin which was the only thing I had on hand, and I stuffed it up as it made the hole to big.
    I went out and bought a Weller with all the accessories and have not had a problem with it yet.
    I would recommend taking it apart and blowing it out with compressed air, because the hole is so small I don't think you will find something small enough.

    Dave

  4. #4
    Join Date
    Dec 2005
    Location
    South Australia
    Posts
    1,656

    Default

    Could also be an air leak some where causing air to be drawn ito the flame so check all the seals etc.

  5. #5
    Join Date
    Nov 2010
    Location
    Brisbane
    Age
    70
    Posts
    1

    Default

    Try pulling the jet out and spraying carby cleaner (available in aerosol can from Repco, Supercheap, etc) through it.

    Mike

  6. #6
    Join Date
    Jan 2009
    Location
    Medowie
    Posts
    29

    Default Fixed it

    Thanks for your inputs.
    Had a good close look at it with a magnifying glass. Had a lot of oily type residue around and in the nozzle, not the tiny hole where the gas comes out. It was in the 'tube where the gas and air get mixed.
    Wasn't game to pull it apart, so dunked the nozzle part in turps, then metho. Gave it a good scrub with a cotton bud and a pipe cleaner. Then a blow out with air.
    Turned it on without igniting it and looked at the plume of gas comming out. It looked OK and wasn't fluttering. So lit it up and it seems good now.
    Flame is back to clean blue pinpoint, quiet - no fluttering, and is adjustable Min to Max.

    I'm wondering if the oily residue could be from the silver soldering flux??? Or could it be from the butane gas?
    Either way I'll give the nozzle the treatment every now and then.

    Thanks for your help everyone.

  7. #7
    Dave J Guest

    Default

    Good to hear you got it going. I would say it is probably from the flux as the gas is clean.
    I will keep this in mind if me Weller breaks down.

    Dave

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