Lincoln Electric SVM194-A service manual 45TROUBLESHOOTING and REPAIRF-45

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F-45TROUBLESHOOTING AND REPAIRF-45

SHUNT FIELD COIL RESISTANCE AND GROUND TEST 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 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

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CLASSIC® 300D & 300G