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
Engine will not idle down to low | 1. Idler switch in High idle position. |
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speed. |
| Set switch to Auto. |
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| 2. | External load on welder or auxil- |
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| iary power. Remove all external |
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| loads. |
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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. Make sure work clamp is |
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| tightly connected to clean base |
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| metal. |
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| 2. | "Contactor" switch is in wrong |
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| position. Set to "Welding On" |
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| when welding without a control |
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| cable. Refer to Operations chap- |
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| ter for proper use of this switch. |
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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. Idler may not respond |
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| with less than a 100 watt load. | If all recommended possible | areas |
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| Set idler to "High". | of misadjustment have | been |
| 2. | Faulty PC board. | checked and the problem persists, | |
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| Contact your local Lincoln | |
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Engine does not develop full | 1. Air filter clogged, clean or | Authorized Field Service Facility. | ||
power. |
| replace. |
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| 2. | Fouled spark plugs, clean or |
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| replace. |
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| 3. | 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® 305LPG
