| 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 not idle down to low | 1. Idler switch in High idle position. |
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speed. |
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| 2. | External load on welder or auxil- |
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| iary power. |
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| 3. | Faulty PC board or idler sole- |
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| noid. |
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Engine will not go to high idle when | 1. Poor work lead connection to |
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attempting to weld. |
| work. |
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| 2. | "Contactor" switch is in wrong |
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| position. |
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| 3. | Faulty PC board. Low idle speed |
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| set to low. |
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Engine will not go to high idle when | 1. Auxiliary power load is less than |
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using auxiliary power. |
| 100 watts. |
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| 2. Faulty PC board. | If all recommended possible areas | |
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| of misadjustment have been | ||
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| checked and the problem persists, |
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Engine does not develop full power. | 1. Fuel filter clogged. | Contact your local Lincoln | ||
Authorized Field Service Facility. | ||||
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| 2. | Air filter clogged. |
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| 3. | Fouled spark plugs. |
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| 4. | Valves out of adjustment. |
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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.
RANGER 250
