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New elements?
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#2
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New elements?
On Fri, 20 Apr 2007 08:32:45 -0500, Sue Roessel Dura
wrote: Hi Folks, My firing times are increasing and the final ramp temperatures are falling below those programmed so I'm thinking it's time for new elements. Since this will be the first new set since I bought the kiln, do you have any helpful advise for me? Thanks! Sue - You will find the old elements to be very brittle and if thy are fitted snugly thy will not come out easily in one piece. First time when I tried to replace the elements in my wife's kiln, I was pulling out little bits at a time and it was talking forever. The solution is to heat the wire wit a propane torch as you are puling it put using long nose pliers. Heat makes the wire temporarly pliable and it comes out in one piece. When installing the wire, find a midpoint and insert it in the groove there, working towards both ends. That way the distribution will be better balanced. Make very sure that all of the coils are evenly distributed. -- Boris -- Posted via a free Usenet account from http://www.teranews.com |
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New elements?
Boris Mohar wrote:
On Fri, 20 Apr 2007 08:32:45 -0500, Sue Roessel Dura wrote: Hi Folks, My firing times are increasing and the final ramp temperatures are falling below those programmed so I'm thinking it's time for new elements. Since this will be the first new set since I bought the kiln, do you have any helpful advise for me? Thanks! Sue - You will find the old elements to be very brittle and if thy are fitted snugly thy will not come out easily in one piece. First time when I tried to replace the elements in my wife's kiln, I was pulling out little bits at a time and it was talking forever. The solution is to heat the wire wit a propane torch as you are puling it put using long nose pliers. Heat makes the wire temporarly pliable and it comes out in one piece. When installing the wire, find a midpoint and insert it in the groove there, working towards both ends. That way the distribution will be better balanced. Make very sure that all of the coils are evenly distributed. -- Boris That's a good suggestion, that I wished I read before servicing my two kilns yesterday. But it occurs to me that, assuming the elements aren't already burned out, you could achieve a similar effect by turning them on high for a couple minutes before removing them. In either case heavy leather gloves and needlenose pliers to avoid burns would be essential. This also might be the time to replace the thermocouple for the kind of shut off you use, if it's in the housing for the elements. As to replacing kiln elements, brands vary as to how to do it, what kind of connectors, etc. Stainless steel crimp connections are common, and if that's what you have, you'll need a crimping tool to tighten them. Brad Sondahl -- visit Sondahl.com for original art, music, pottery, photography, literature, videos and more. To respond directly, don't forget to take out the "garbage" |
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New elements?
Try replacing the switches first. I had the same thing happening, replaced
the elements, and it didn't help. Changing the switches did the trick. Andrew Werby www.unitedartworks.com ----- Original Message ----- From: "Sue Roessel Dura" Newsgroups: rec.crafts.pottery Sent: Friday, April 20, 2007 6:32 AM Subject: New elements? Hi Folks, My firing times are increasing and the final ramp temperatures are falling below those programmed so I'm thinking it's time for new elements. Since this will be the first new set since I bought the kiln, do you have any helpful advise for me? Thanks! Sue - |
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