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TROUBLESHOOTING AND REPAIR | ||
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STATOR SHORT CIRCUIT AND GROUND TEST
WARNING
Service and repair should be performed only by Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical trou- bleshooting assistance before you proceed. Call
TEST DESCRIPTION
This test will determine if there are undesirable electrical connections between the stator windings and chassis ground, or between individual windings within the stator. This test should be performed if flashing voltage is present at the rotor slip rings, but the voltage output on leads #7 and #9 is too low.
MATERIALS NEEDED
Miscellaneous hand tools
Ohmmeter
