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.
