Lincoln Electric SVM159-A Welder User Manual


 
F-61 F-61
POWER WAVE 355
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DC BUS BOARD REMOVAL AND REPLACEMENT
Service and repair should be performed by only 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
troubleshooting assistance before you proceed. Call 1-800-833-9353 (WELD).
DESCRIPTION
The following procedure will aid the technician in removing the DC Bus Board for mainte-
nance or replacement.
MATERIALS NEEDED
5/16” Nut Driver
3/8” Open End Wrench
Flat Head Screwdriver
Phillips Head Screwdriver
WARNING
This procedure takes approximately 40 minutes to perform.
TROUBLESHOOTING & REPAIR