Troubleshooting & repair – Lincoln Electric COMMANDER SVM145-B User Manual
Page 141
TROUBLESHOOTING & REPAIR
F-85
F-85
COMMANDER 300
WARNING
POWER MODULE/OUTPUT RECTIFIER BRIDGE ASSEMBLY
REMOVAL AND REPLACEMENT
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 1-800-833-9353 (WELD).
TEST DESCRIPTION
This procedure will aid the technician in the removal and replacement of the power mod-
ule/output rectifier bridge assembly. Once the assembly is removed, the power module
PC boards and output rectifier bridge diodes can be accessed for removal and replace-
ment.
MATERIALS NEEDED
3/8" Wrench
7/16" Wrench
1/2" Wrench
This procedure should take approximately 80 minutes to perform.