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Service and repair should be performed only by 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
The following procedure will aid the technician in accessing the Generator Brushes for
maintenance or replacement.
MATERIALS NEEDED
Small Slot Head Screwdriver
1/4” Nutdriver
Needlenose Pliers
BRUSH REMOVAL AND REPLACEMENT
TROUBLESHOOTING AND REPAIR
F-31 F-31
BULLDOG® 140
WARNING
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