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 STICK WELDING
| Excessive spatter | 1. | Long arc |
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| 2. | High current |
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| Craters | 1. | Fast movement of the electrode |
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| away from piece. |
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| Inclusions | 1. | Poor cleanliness or distribution of |
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| the Welding passes. |
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| 2. | Improper movement of the elec- |
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| trode. |
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| Insufficient penetration | 1. | High progression speed. |
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| 2. | Welding current too low. |
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| 3. | Narrow chamfering. |
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| Sticking | 1. | Arc too short. |
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| 2. | Current too low. |
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| Porosity | 1. | Humidity in electrode. |
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| 2. | Long arc. |
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| Cracks | 1. | Current too high. |
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| 2. | Dirty materials. |
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| 3. Hydrogen in weld (present on | |
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| electrode coating). |
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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