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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.
PROCEDURE DESCRIPTION
This procedure provides guidance in testing and maintaining the brush and slip ring sys-
tem of the Exciter/Auxiliary power alternator.
MATERIALS NEEDED
Miscellaneous Hand Tools
500 or 600 grit Emery Cloth
180 Sand Paper
220 or 320 grit commutator stone (Optional)
BRUSH & SLIP RING SERVICE PROCEDURE
(Exciter/Auxiliary Power Alternator)
TROUBLESHOOTING AND REPAIR
F-23 F-23
CLASSIC® 300D & 300G
WARNING
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