TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
| Engine will not idle down to low | 1. Idler switch in High idle position. | ||
| 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 | ||
| 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" when | |
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| welding without a control cable. | |
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| Refer to Operations chapter for prop- | |
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| er 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 | ||
| using auxiliary power. |
| 100 watts. Idler may not respond | |
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| with less than a 100 watt load. Set | |
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| idler to "High". | |
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| 2. | Faulty PC board. | |
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| Engine does not develop full | 1. Fuel filter clogged, Replace. | ||
| power. | 2. Air filter clogged, clean or replace. | ||
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| 3. | Fouled spark plugs, clean or | |
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| replace. | |
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| 4. | Valves out of adjustment. | |
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If all recommended possible areas of misadjustment have been checked and the problem persists,
Contact your local Lincoln Authorized Field Service Facility.
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 305G