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F-41

TROUBLESHOOTING AND REPAIR

F-41

SCR RECTIFIER BRIDGE

REMOVAL AND REPLACEMENT PROCEDURE

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 1-888-935-3877.

TEST DESCRIPTION

This procedure will aid the technician in the removal and replacement of the SCR Rectifier Assembly.

MATERIALS NEEDED

Misc, Hand Tools

Wiring Diagram

NOTE: If the Transformer and Rectifer both need to be replaced, perform the Transformer Removal and Replacement Procedure first to provide easier access to the rectifier assembly

DC-600

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Lincoln Electric SVM188-A service manual SCR Rectifier Bridge Removal and Replacement Procedure