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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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#1
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Welding on a fuel tank (jerry can)
On Sat, 4 Jan 2020 14:50:31 -0800 (PST),
wrote: I have done this many times.first wash out tank with liwuid gunk degreaser.flush it good with water.but tank on bench.stick airhose in tank low preasure.leave tank sit 5 minutes.leave airhose in while welding.no stangent fumes no explosion.a old mortorcycle mechanic taught me that 50 years ago filling it with co2 from a fire extinguisher works pretty good. |
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#2
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Welding on a fuel tank (jerry can)
On 1/4/2020 5:49 PM, Clare Snyder wrote:
On Sat, 4 Jan 2020 14:50:31 -0800 (PST), wrote: I have done this many times.first wash out tank with liwuid gunk degreaser.flush it good with water.but tank on bench.stick airhose in tank low preasure.leave tank sit 5 minutes.leave airhose in while welding.no stangent fumes no explosion.a old mortorcycle mechanic taught me that 50 years ago filling it with co2 from a fire extinguisher works pretty good. Argon or CO2 either one , if you happen to have welding shield gasses on hand . Big plus is that it leaves the extinguisher usable for it's intended purpose . -- Snag Yes , I'm old and crochety - and armed . Get outta my woods ! |
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#3
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Welding on a fuel tank (jerry can)
On Sat, 4 Jan 2020 19:10:40 -0600, Terry Coombs
wrote: On 1/4/2020 5:49 PM, Clare Snyder wrote: On Sat, 4 Jan 2020 14:50:31 -0800 (PST), wrote: I have done this many times.first wash out tank with liwuid gunk degreaser.flush it good with water.but tank on bench.stick airhose in tank low preasure.leave tank sit 5 minutes.leave airhose in while welding.no stangent fumes no explosion.a old mortorcycle mechanic taught me that 50 years ago filling it with co2 from a fire extinguisher works pretty good. Argon or CO2 either one , if you happen to have welding shield gasses on hand . Big plus is that it leaves the extinguisher usable for it's intended purpose . Disn't have sheilding gas - so I just sent the apprentice out to the safety supply to borrow a 5 pounder |
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#4
Posted to rec.crafts.metalworking
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Welding on a fuel tank (jerry can)
"Clare Snyder" wrote in message ... On Sat, 4 Jan 2020 19:10:40 -0600, Terry Coombs wrote: On 1/4/2020 5:49 PM, Clare Snyder wrote: On Sat, 4 Jan 2020 14:50:31 -0800 (PST), wrote: I have done this many times.first wash out tank with liwuid gunk degreaser.flush it good with water.but tank on bench.stick airhose in tank low preasure.leave tank sit 5 minutes.leave airhose in while welding.no stangent fumes no explosion.a old mortorcycle mechanic taught me that 50 years ago filling it with co2 from a fire extinguisher works pretty good. Argon or CO2 either one , if you happen to have welding shield gasses on hand . Big plus is that it leaves the extinguisher usable for it's intended purpose . Disn't have sheilding gas - so I just sent the apprentice out to the safety supply to borrow a 5 pounder Would engine exhaust work? |
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#5
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Welding on a fuel tank (jerry can)
Jim Wilkins wrote:
"Clare Snyder" wrote in message ... On Sat, 4 Jan 2020 19:10:40 -0600, Terry Coombs wrote: On 1/4/2020 5:49 PM, Clare Snyder wrote: On Sat, 4 Jan 2020 14:50:31 -0800 (PST), wrote: I have done this many times.first wash out tank with liwuid gunk degreaser.flush it good with water.but tank on bench.stick airhose in tank low preasure.leave tank sit 5 minutes.leave airhose in while welding.no stangent fumes no explosion.a old mortorcycle mechanic taught me that 50 years ago filling it with co2 from a fire extinguisher works pretty good. Argon or CO2 either one , if you happen to have welding shield gasses on hand . Big plus is that it leaves the extinguisher usable for it's intended purpose . Disn't have sheilding gas - so I just sent the apprentice out to the safety supply to borrow a 5 pounder Would engine exhaust work? Yes it will -- Steve W. |
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#6
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Welding on a fuel tank (jerry can)
On Tue, 07 Jan 2020 02:08:33 -0500, "Steve W."
wrote: Jim Wilkins wrote: "Clare Snyder" wrote in message ... On Sat, 4 Jan 2020 19:10:40 -0600, Terry Coombs wrote: On 1/4/2020 5:49 PM, Clare Snyder wrote: On Sat, 4 Jan 2020 14:50:31 -0800 (PST), wrote: I have done this many times.first wash out tank with liwuid gunk degreaser.flush it good with water.but tank on bench.stick airhose in tank low preasure.leave tank sit 5 minutes.leave airhose in while welding.no stangent fumes no explosion.a old mortorcycle mechanic taught me that 50 years ago filling it with co2 from a fire extinguisher works pretty good. Argon or CO2 either one , if you happen to have welding shield gasses on hand . Big plus is that it leaves the extinguisher usable for it's intended purpose . Disn't have sheilding gas - so I just sent the apprentice out to the safety supply to borrow a 5 pounder Would engine exhaust work? Yes it will Assuming the engine is running efficiently and not sewing large amounts of CO and unburned hydrocarbons, yes. I would be cautious about making that assumption using exhaust from something other than a properly functioning emmission controlled vehicle - don't, for instance, use your lawn mower or an old gasoline tractor - - - From OSHA What are fire hazards and extinguishing media for carbon monoxide? Flammable Properties: EXTREMELY FLAMMABLE GAS. Can easily ignite. Can readily form explosive mixture with air at room temperature. Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, appropriate foam, water spray or fog. Foam manufacturers should be consulted for recommendations regarding types of foams and application rates. Specific Hazards Arising from the Chemical: Gas or vapour may accumulate in hazardous amounts in low-lying areas especially inside confined spaces, resulting in a health hazard. Heat from fire can cause a rapid build-up of pressure inside cylinders. Explosive rupture and a sudden release of large amounts of gas may result. Cylinder may rocket. In a fire, the following hazardous materials may be generated: Very toxic carbon monoxide, carbon dioxide. ? What are the stability and reactivity hazards of carbon monoxide? •Chemical Stability: Normally stable. •Conditions to Avoid: Open flames, sparks, static discharge, heat and other ignition sources. •Incompatible Materials: Increased risk of fire and explosion on contact with: oxidizing agents (e.g. peroxides), halogens (e.g. chlorine), metals (e.g. aluminum). Not corrosive to: aluminum alloys, stainless steel. •Hazardous Decomposition Products: None known. •Possibility of Hazardous Reactions: None known. |
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