Control Pc Board Removal And Replacement - Lincoln Electric SQUARE WAVE SVM118-A Service Manual

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CONTROL PC 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 elec-
trical 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 216-383-2531 or 1-800-833-9353 (WELD).
DESCRIPTION
The following procedure will aid the technician in removing the control PC board.
MATERIALS NEEDED
5/16" Nut driver
Phillips head screw driver
Static grounding wrist strap
TROUBLESHOOTING & REPAIR
WARNING
SQUARE WAVE TIG 355
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