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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Old Craftsman blowtorch
I acquired an old brass Craftsman (plumber-type) blowtorch in
preparation for building a model boiler so I have several questions about blowtorches: Where can I buy a leather(?)washer for the pressure pump? The valve on the pressure pump looks like it should have a ball valve. There is a spring but no sign of a ball. Is the ball missing? What's the best fuel? White gas (naptha?), kerosene? ??? Does anyone happen to have a diagram/parts list(even generic)? Is there a book that describes the care and feeding of blowtorches? What do I need to know to operate the various controls? Does it need to have the vaporizer pre-heated like a Primus stove? TIA Max ben-Aaron |
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look around on this site:
http://members.aol.com/blotorches/to.../torchfix.html Karl wrote in message ups.com... I acquired an old brass Craftsman (plumber-type) blowtorch in preparation for building a model boiler so I have several questions about blowtorches: Where can I buy a leather(?)washer for the pressure pump? The valve on the pressure pump looks like it should have a ball valve. There is a spring but no sign of a ball. Is the ball missing? What's the best fuel? White gas (naptha?), kerosene? ??? Does anyone happen to have a diagram/parts list(even generic)? Is there a book that describes the care and feeding of blowtorches? What do I need to know to operate the various controls? Does it need to have the vaporizer pre-heated like a Primus stove? TIA Max ben-Aaron |
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Thanks for the URL. I tried Google, but came up with nothing useful.
Max ben-Aaron |
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"JohnM" wrote: (clip) Never used a Primus stove, but I suppose they're the same; crack the valve open and let the tray get a puddle of fuel (clip) ^^^^^^^^^^^^^^ You're right--they work pretty much the same. After you get the pump working, and the tank pressurized, when you crack the valve you will get a thin stream of fuel shooting through the burner. Put some sort of cover over the end if you have to, so the fuel collects in the tray below. Then shut off the fuel, and light what is in the tray. After you think the burner is hot, crack the valve just slightly and you should get some blue flame. As you open the valve further you should get a fierce roaring blue flame. If these things don't happen, go through the preheating steps again. |
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Leo Lichtman wrote:
"JohnM" wrote: (clip) Never used a Primus stove, but I suppose they're the same; crack the valve open and let the tray get a puddle of fuel (clip) ^^^^^^^^^^^^^^ You're right--they work pretty much the same. After you get the pump working, and the tank pressurized, when you crack the valve you will get a thin stream of fuel shooting through the burner. Put some sort of cover over the end if you have to, so the fuel collects in the tray below. Then shut off the fuel, and light what is in the tray. After you think the burner is hot, crack the valve just slightly and you should get some blue flame. As you open the valve further you should get a fierce roaring blue flame. If these things don't happen, go through the preheating steps again. Cool.. I've got some old book about the Eskimo which mentions Primus stoves but no pictures or description. Sounded like a good thing to have if you had patience.. John |
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That site mentions the hook on the top, not to be used for hanging it
up. But never mentions what the hook is for: The old guys had 1# and 2# soldering coppers that hang very nicely on the 'V' shaped notch on the front of the burner and under the hook. very useful for sitting on the roof soldering flashing in place. slight rant: Those old soldering coppers used with a good acid flux and 60/40 bar solder will do wonders on galvanized steel. How about a waterproof seal on 24" of double lapped ductwork in 60 seconds? Works great, haven't seen it done in many years. Karl Vorwerk wrote: look around on this site: http://members.aol.com/blotorches/to.../torchfix.html Karl wrote in message ups.com... I acquired an old brass Craftsman (plumber-type) blowtorch in preparation for building a model boiler so I have several questions about blowtorches: Where can I buy a leather(?)washer for the pressure pump? The valve on the pressure pump looks like it should have a ball valve. There is a spring but no sign of a ball. Is the ball missing? What's the best fuel? White gas (naptha?), kerosene? ??? Does anyone happen to have a diagram/parts list(even generic)? Is there a book that describes the care and feeding of blowtorches? What do I need to know to operate the various controls? Does it need to have the vaporizer pre-heated like a Primus stove? TIA Max ben-Aaron |
#9
Posted to rec.crafts.metalworking
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Old Craftsman blowtorch
On Saturday, July 2, 2005 at 6:31:02 AM UTC-4, wrote:
I acquired an old brass Craftsman (plumber-type) blowtorch in preparation for building a model boiler so I have several questions about blowtorches: Where can I buy a leather(?)washer for the pressure pump? The valve on the pressure pump looks like it should have a ball valve. There is a spring but no sign of a ball. Is the ball missing? What's the best fuel? White gas (naptha?), kerosene? ??? Does anyone happen to have a diagram/parts list(even generic)? Is there a book that describes the care and feeding of blowtorches? What do I need to know to operate the various controls? Does it need to have the vaporizer pre-heated like a Primus stove? TIA Max ben-Aaron I just read your post and can answer a couple of your questions. I just replaced what you think should be a ball. I thought the same thing, but while cleaning the part to measure I found residue of what I deduced to be leather. Kinda makes sense. If you look inside the plunger where the check valve seats there a raised ring on the face. I have a leather punch and the largest hole punch die makes a perfect fit. I now have one xtra hole in my belt and a good check valve. |
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