Scr/Diode Rectifier Bridge Removal And Replacement - Lincoln Electric COMMANDER 400 SVM133-B Service Manual

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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 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 troubleshoot-
ing assistance before you proceed. Call 1-800-833-9353 (WELD).
DESCRIPTION
This procedure will aid the technician in the removal and replacement of the SCR/Diode
rectifier bridge assembly.
MATERIALS NEEDED
5/16" Nut driver
3/8" Wrench
1/2" Wrench
3/4" Wrench
11/32" Wrench
This procedure takes approximately 80 minutes to perform.
TROUBLESHOOTING & REPAIR
SCR/DIODE RECTIFIER BRIDGE
REMOVAL AND REPLACEMENT
WARNING
COMMANDER 400
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