Perform the dc exciter test, Troubleshooting & repair, Dc exciter test warning – Lincoln Electric CLASSIC I SVM134-A User Manual

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TROUBLESHOOTING & REPAIR

F-13

CLASSIC I

DC EXCITER TEST

WARNING

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 trou-
bleshooting assistance before you proceed. Call 1-800-833-9353 (WELD).

TEST DESCRIPTION

This test will help determine whether or not the DC exciter is operating correctly. If oper-
ation is not correct, the test will also determine what component(s) may be faulty.

MATERIALS NEEDED

3/8" Nut driver
Volt/ohmmeter (Multimeter)
Wiring Diagram