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TROUBLESHOOTING & REPAIR |
LF-72/74
Observe Safety Guidelines 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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| FUNCTION PROBLEMS (Continued) | ||
| The motor (L12081) failed when a | When testing the wire drives for | This can be done by loading a |
| load (6 N m) was applied to the | feeding problems (“inconsistent | spool of wire, setting the spindle |
| wire drive. | feeding”, “grinding noises from the | brake to maximum and hen feed- |
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| gearbox”, “jumping drive rolls”) the | ing wire. |
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| wire drive should be tested under |
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| load. |
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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 at