Test procedures, F-11, Main transformer test – Lincoln Electric POWER MIG SVM170-A User Manual
Page 51: Perform the main transformer test, Troubleshooting and repair, Warning test procedures
F-11
TROUBLESHOOTING AND REPAIR
F-11
MAIN TRANSFORMER TEST
Service and repair should only be performed by Lincoln Electric factory trained
personnel. Unauthorized repairs performed on this equipment may result in dan-
ger to the technician or machine operator and will invalidate your factory war-
ranty. 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 per-
form the test/repairs safely, contact the Lincoln Electric service department for
technical troubleshooting assistance before you proceed. Call 1-888-935-3877.
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TEST DESCRIPTION
This test will determine if the correct voltages are being:
a.
Applied to the primary windings of the main transformer.
b.
Induced on the secondary and auxiliary windings of the main transformer.
MATERIALS NEEDED
3/8 in. Nutdriver
5/16 in. Nutdriver
Volt-ohmmeter
POWER MIG 255C
WARNING
TEST PROCEDURES