TROUbLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PRObLEMS
(SYMPTOMS)
POSSIbLE
CAUSE
RECOMMENDED
COURSE OF ACTION
PRObLEMS IN TIG WELDING
Oxidation | 1. lnsufficient gas. |
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| 2. | No protection on the back side. |
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Tungsten inclusions | 1. lncorrect electrode sharpening. |
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| 2. | Electrode too small. |
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| 3. | Operating failure (contact of the |
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| tip with the workpiece). |
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Porosity | 1. Dirt on the edges. |
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| 2. | Dirt on the filler material. |
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| 3. | Excessive travel speed. |
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| 4. | Current intensity too low. |
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Hot cracking | 1 Unsuitable filler material. |
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| 2. | High heat supply. |
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| 3. | Dirty materials. |
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If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
