F-51, Troubleshooting and repair, Warning – Lincoln Electric POWER MIG SVM170-A User Manual
Page 91
F-51
TROUBLESHOOTING AND REPAIR
F-51
MAIN TRANSFORMER AND OUTPUT CHOKE
REMOVAL AND REPLACEMENT
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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DESCRIPTION
The procedure will aid the technician in the removal and replacement of the main
transformer and choke assembly.
MATERIALS NEEDED
5/16 in. Nut Driver
1/2 in. Open end wrench
3/8 in. Open end wrench
1/2 in. Socket wrench, extender, universal adapter
Wire cutters
Phillips head screwdriver
POWER MIG 255C
WARNING