TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
Engine will not idle down to low | 1. | Idler switch in High idle position. | 1. | Set switch to Auto. |
speed. | 2. | External load on welder or auxil- | 2. | Remove all external loads. |
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| iary power. |
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| 3. | Faulty PC board or idler solenoid. | 3. | Contact your Local Lincoln Authorized |
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| Field Service Facility for technical |
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| troubleshooting assistance. |
Engine will not go to high idle when | 1. | Poor work lead connection to | 1. | Make sure work clamp is tightly con- |
attempting to weld. |
| work. |
| nected to clean base metal. |
| 2. | "Contactor" switch is in wrong | 2. | Set to "Welding On" when welding |
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| position. |
| without a control cable. Refer to |
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| Operations chapter for proper use of |
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| this switch. |
| 3. | Faulty PC board. Low idle speed | 3. | Contact your Local Lincoln Authorized |
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| set too low. |
| Field Service Facility for technical |
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| troubleshooting assistance. |
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Engine will not go to high idle when | 1. | Auxiliary power load is less than | 1. | Idler may not respond with less than a |
using auxiliary power. |
| 100 watts. |
| 100 watt load. Set idler to "High". |
| 2. | Faulty PC board. | 2. | Contact your Local Lincoln Authorized |
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| Field Service Facility for technical |
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| troubleshooting assistance. |
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Engine does not develop full power. | 1. | Fuel filter clogged. | 1. | Replace. |
| 2. | Air filter clogged. | 2. | Clean or replace. |
| 3. | Fouled spark plugs. | 3. | Clean or replace. |
| 4. | Valves out of adjustment. | 4. | Contact authorized engine service |
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| shop. |
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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 275