Lincoln Electric PRECISION TIG 275 SVM162-B - Manual (Page 99)

F-53 F-53
PRECISION TIG 275
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TROUBLESHOOTING & REPAIR
SCR 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 1-888-935-3877.
DESCRIPTION
This procedure will aid the technician in the removal and replacement of the SCR bridge
for maintenance or replacement.
MATERIALS NEEDED
3/8” Nut Driver
1/2” Nut Driver
7/16” Nut Driver
Pliers
Crimp Wire Cutters
WARNING