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TROUBLESHOOTING & REPAIR |
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Observe Safety Guidelines |
| TROUBLESHOOTING GUIDE | ||
detailed in the beginning of this manual. |
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PROBLEMS | POSSIBLE AREAS OF | RECOMMENDED | ||
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | ||
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| OUTPUT PROBLEMS |
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The engine starts and runs at cor- | 1. Check for loose or missing | 1. Check for loose or broken wires | ||
rect speed, but there is no, or very | brushes in the DC exciter. | between the | exciter brushes | |
low, welder output voltage. There | 2. The exciter may need “flashing.” | and the DC receptacle and the | ||
is no DC auxiliary output voltage. | fine current | control field | ||
See Flashing the Fields in this | ||||
| rheostat. See the Wiring Diagram. | |||
| section. | |||
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| 2. Perform the DC Exciter Test. | ||
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CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
