Troubleshooting & repair – Lincoln Electric IDEALARC DC-655 User Manual
Page 93
TROUBLESHOOTING & REPAIR
F-51
F-51
IDEALARC DC-655
WARNING
SCR RECTIFIER BRIDGE REMOVAL AND
REPLACEMENT PROCEDURE
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 manu-
al.
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 SCR/Rectifier Bridge for main-
tenance or replacement.
MATERIALS NEEDED
1/2” Socket wrench
3/8” Wrench
1/2” Wrench
9/16” Wrench