Test procedures, F-11, Main transformer test – Lincoln Electric POWER MIG SVM157-A User Manual

Page 45: Perform the main transformer, Test, The main transformer, Troubleshooting and repair, Warning

TROUBLESHOOTING AND REPAIR

F-11

POWER MIG 200

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” Nutdriver

5/16” Nutdriver

Volt-ohmmeter

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
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 technical troubleshooting assistance before you proceed. Call 1-800-833-
9353(WELD).

WARNING