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Category  |   Discussion (0)Brazing (Oxy-acetylene) (General)

Main > Technology > Welding & brazing > Brazing & soldering > Brazing (Oxy-acetylene)
FOOF: Fuel - Oxygen - Oxygen - Fuel. This is the safety procedure for starting and finishing:

ON: Turn the Fuel knob on first, a small amount. Then turn on Oxygen, a smaller amount. Light the fuel. Add fuel and oxygen to get a very acute-angle blue flame, and hardly any yellow flame. The longer the tip, the hotter the point.

OFF: Turn down the Oxygen to create a yellow fuel-only flame. Turn off the Fuel.   kellyjones00 (593)

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Main > Technology > Welding & brazing > Brazing & soldering > Brazing (Oxy-acetylene)
Safety: If the lit fuel suddenly cuts out, you'll hear a pop, where only oxygen is emitted from the gas-axe. Cut the gases immediately: O-F. If your regulators are poor, and the flame reverses up, you may blow yourself up. Remember, never turn the fuel off before the oxygen!   kellyjones00 (593)

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Main > Technology > Welding & brazing > Brazing & soldering > Brazing (Oxy-acetylene)
Pre-brazing: Clean the areas to be joined until the original metal shines, using files and wire brush. Lightly apply flux to reduce oxidation, and let dry.   kellyjones00 (593)

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