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F-41 TROUBLESHOOTING & REPAIR
TRANSISTOR MODULE REMOVAL
WARNING
Service and repair should be performed only by Lincoln Electric factory trained per- sonnel. Unauthorized repairs performed on this equipment could result in danger to the technician or the machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and pre- cautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric service department for technical troubleshooting assistance before you proceed.
Call (216)
CAUTION
Printed Circuit Boards can be damaged by static electricity.
REMOVAL/REPLACEMENT DESCRIPTION
This procedure will assist you in removing or replacing the Transistor
Module.
MATERIALS NEEDED
5mm
Joint Compound: Lincoln T12837 or equivalent (Dow Corning 340). Replacement Power Board
