| TROUBLESHOOTING | |||
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| Observe all Safety Guidelines detailed throughout this manual | |||
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| PROBLEMS |
| POSSIBLE | RECOMMENDED |
| (SYMPTOMS) |
| CAUSE | COURSE OF ACTION |
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Engine will “crank” but not start. | 1. Air intake |
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| Manually reset inside machine. |
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| 2. | Out of fuel. Fill fuel tank. |
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| 3. | Fuel shut off valve is in off posi- |
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| tion. |
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| 4. | Low battery voltage. |
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Machine fails to hold the “heat” | 1. Rough or dirty commutator. |
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constantly. |
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| 2. Brushes may be worn down to |
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| limit of life. |
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| 3. | Brush springs may be broken. |
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| 4. | Field circuit may have variable |
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| resistance connections or intermit- |
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| tent open circuit, due to loose con- |
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| nections or broken wire. |
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| If all recommended possible areas |
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| 5. | Electrode or work lead connec- | of misadjustment have been |
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| tions may be poor. | checked and the problem persists, |
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| Contact your local Lincoln |
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| 6. | Wrong grade of brushes may be | Authorized Field Service Facility. |
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| installed on generator. |
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| 7. | Field rheostat may be making |
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| poor contact and overheating. |
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| 8. | “Current Control” may not be |
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| operating properly. |
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| 9. | “Current Control” brushholder con- |
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| tact springs may be worn out or |
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| missing. Contact surface may be |
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| dirty, rough and pitted. |
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| 10. “Current Control” brushholder |
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| support stud and mating contact |
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| surfaces may be dirty or pitted |
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| and burned. |
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| 11. Engine running at varying |
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| speeds. |
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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.
