F-22
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 troubleshooting assistance before you proceed.
Call 1-800—833-9353 (WELD).
DESCRIPTION
The following procedure will aid the technician in accessing the generator brushes for maintenance or replace-
ment.
MATERIALS NEEDED
Small slot head screw driver
1/4" Nut driver
Needle nose pliers
This procedure takes approximately 20 minutes to perform.
TROUBLESHOOTING & REPAIR
BRUSH REMOVAL AND REPLACEMENT
WARNING
POWER-ARC 4000
F-22