| TROUBLESHOOTING | |||
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| Observe all Safety Guidelines detailed throug out this manual | |||
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| PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED |
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| (SYMPTOMS) | MISADJUSTMENTS | COURSE OF ACTION |
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PROBLEMS
Machine fails to hold the heat con- | 1. | Rough or dirty commutator. |
stantly. |
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| 2. | Brushes may be worn down to |
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| limit. |
| 3. | Field circuit may have variable |
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| resistance connection or intermit- |
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| tent open circuit due to loose, or |
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| broken wire. |
| 4. | Electrode lead or work lead con- |
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| nection may be poor. |
| 5. | Wrong grade of brushes may |
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| have been installed on generator. |
| 6. | Field rheostat may be making |
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| poor contact and overheating. |
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Welder starts but fails to generate | 1. | Generator or exciter brushes may |
current. |
| be loose or missing. |
| 2. | Exciter may not be operating. |
| 3. | Field circuit of generator or |
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| exciter may be open. |
| 4. | Exciter may have lost excitation. |
| 5. | Series field and armature circuit |
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| may be |
If all recommended possible areas of misadjustment have been checked and the problem persists,
Contact your local Lincoln Authorized Field Service Facility.
Welding arc is loud and spatters excessively.
1.Current setting may be too high.
2.Polarity may be wrong.
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.
PIPELINER 200D