Rotor Resistance Test - Lincoln Electric POWER-ARC SVM103-C Service Manual

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Service and repair should be performed by only 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 troubleshooting assistance before you proceed.
Call 1-800—833-9353 (WELD).
TEST DESCRIPTION
This test will determine if there is a shorted winding in the rotor or if the rotor is grounded.
MATERIALS NEEDED
Volt/Ohmmeter
1/4" Nut driver
Small slot head screw driver
Wiring Diagram
This procedure takes approximately 25 minutes to perform.
TROUBLESHOOTING & REPAIR

ROTOR RESISTANCE TEST

WARNING
POWER-ARC 4000
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