Start arc on sidewall, not in gap. |
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After puddle is established, maintain the arc on the forward portion of the puddle. |
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Move across the gap. |
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Move slightly up the sidewall. |
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Stay in the puddle and move the electrode back across the gap. Move the electrode down the joint in a half-moon motion. |
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Continue moving back and forth (weaving) across the gap until reaching the 1 o'clock position. |
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At 1 o'clock, stop weaving. Concentrate the arc on forward weld puddle and move down the pipe joint until you reach the 5 o'clock position. |
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At 5 o'clock, reposition the torch angle to be perpendicular to the pipe. |
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End the weld at 6 o'clock by moving the arc onto the sidewall. |
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DO NOT stop welding while in the root. This may cause pin holes. |
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