M the, Shunt field, Winding – Lincoln Electric CLASSIC III SVM 137-A User Manual
Page 78: Test, Field shunt, Troubleshooting & repair, Field shunt winding test, Warning
FIELD SHUNT WINDING TEST
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 elec-
trical 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 troubleshoot-
ing assistance before you proceed. Call 216-383-2531 or 1-800-833-9353 (WELD).
TEST DESCRIPTION
This test will help determine if the field shunt coils are shorted, open or grounded.
MATERIALS NEEDED
Volt/Ohmmeter
Wiring Diagram
TROUBLESHOOTING & REPAIR
F-18
F-18
Classic III and IIID
WARNING