Lincoln Electric IDEALARC DC-1500 Service Manual page 87

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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 trou-
bleshooting assistance before you proceed. Call 1-888-935-3877.
TEST DESCRIPTION
This procedure will aid the technician in the removal and replacement of the 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
TROUBLESHOOTING AND REPAIR
SCR OUTPUT BRIDGE REPLACEMENT
WARNING
IDEALARC® DC-1500
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