TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF MISADJUSTMENT(S)
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.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
