Lincoln Electric SVM194-A service manual 53TROUBLESHOOTING and REPAIRF-53

Return to Section TOC Return to Master TOC

Return to Section TOC Return to Master TOC

Return to Section TOC Return to Master TOC

F-53TROUBLESHOOTING AND REPAIRF-53

WELDING GENERATOR BRUSH AND COMMUTATOR

INSPECTION AND SERVICE PROCEDURE

WARNING

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.

Return to Section TOC Return to Master TOC

CLASSIC® 300D & 300G