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| TROUBLESHOOTING | |||
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| Observe all Safety Guidelines detailed throughout this manual | |||
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| PROBLEMS |
| POSSIBLE | RECOMMENDED |
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| (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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| If all recommended possible areas |
| Engine will not go to high idle when | 1. Auxiliary power load is less than | |||
| of misadjustment have been | ||||
| using auxiliary power. |
| 100 watts. | checked and the problem persists, | |
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| 2. | Faulty PC board. | Contact your local Lincoln |
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| Authorized Field Service Facility. | ||
Engine does not develop full power.
1. Fuel filter clogged.
2.Fuel lift pump not working.
3.Air filter clogged.
4.Fouled spark plugs.
5.Valves out of adjustment.
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
