Lincoln Electric CLASSIC SVM194-A - Manuel (Page 175)

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 provides guidelines for checking and servicing the welding generator com-
mutator and brushes.
MATERIALS NEEDED
Miscellaneous hand tools
120-150 grit commutator stone
220-320 grit commutator stone
IMPORTANT: Do not use emery cloth or paper to clean the commutator. Use only sand
paper or a commutator stone.
Caution: Stoning the commutator involves pressing an abrasive stone against a spin-
ning commutator. This procedure can be hazardous if done without proper
training, tools and protective equipment. Consult the commutator stone manu-
facturer's instructions before attempting this procedure.
WELDING GENERATOR BRUSH AND COMMUTATOR
INSPECTION AND SERVICE PROCEDURE
TROUBLESHOOTING AND REPAIR F-53 F-53
CLASSIC® 300D & 300G
WARNING
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