Lincoln Electric CLASSIC SVM194-A - Manuel (Page 167)

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 1-888-935-3877.
TEST DESCRIPTION
This procedure will determine if the welding generator shunt field coils are open, shorted
or grounded.
Important: The machine should be clean and windings must be completely dry before
this test is done.
MATERIALS NEEDED
Miscellaneous hand tools
Multimeter
Wiring diagram
SHUNT FIELD COIL RESISTANCE AND GROUND TEST PROCEDURE
TROUBLESHOOTING AND REPAIR F-45 F-45
CLASSIC® 300D & 300G
WARNING
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