Main transformer, Test, The main transformer – Lincoln Electric POWER MIG 11521 User Manual

Page 49: Troubleshooting and repair, Main transformer test, 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 correct voltages are being applied.
a. Applied to the primary windings of the Main Transformers.
b. Induced on the secondary and auxiliary windings of the Main Transformer.

MATERIALS NEEDED

3/8" wrench
5/16” Nutdriver
Volt-ohmmeter

MAIN TRANSFORMER TEST

TROUBLESHOOTING AND REPAIR

F-11

F-11

Power MIG® 215XT

WARNING

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