Exciter rotor, Resistance and ground test, Resistance and ground – Lincoln Electric CLASSIC SVM194-A Manuel d'utilisation

Page 163: Test, Exciter rotor resistance and ground, Troubleshooting and repair, Warning

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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 test will determine if the exciter / auxiliary power alternator rotor winding is open,

shorted, or grounded.

MATERIALS NEEDED

Miscellaneous hand tools

Ohmmeter (Analog type meter required for dynamic resistance test.)

Wiring diagram

EXCITER ROTOR RESISTANCE AND GROUND TESTS PROCEDURE

(Exciter / Auxiliary Power Alternator)

TROUBLESHOOTING AND REPAIR

F-41

F-41

CLASSIC® 300D & 300G

WARNING

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