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TROUBLESHOOTING & REPAIR
F-49
IDEALARC DC-1000
Service and repair should be performed only by Lincoln Electric factory trained personnel.
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 precautions 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 trou-
bleshooting assistance before you proceed.
Call (216) 383-2531 or (800) 833-9353 (WELD).
_____________________________________________________________
SCR OUTPUT BRIDGE REPLACEMENT
MATERIALS NEEDED
9/16” socket wrench
9/16” open end wrench
1/2” long-handled flat rachet wrench
1/2” socket wrench
1/2” open end wrench
3/8” socket wrench
5/16” socket wrench
Lincoln E1868 (Dow Corning #340) heat sink compound
WARNING
F-49