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PRIMARY POWER BOARD AND FILTER CAPACITOR
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 elec-
trical shock, please observe all safety notes and precautions detailed throughout this manu-
al.
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).
DESCRIPTION
The following procedure will aid the technician in removing the primary power board and fil-
ter capacitors for maintenance or replacement.
MATERIALS NEEDED
5/16” Nut driver
3/16” Allen type wrench
7/16” Wrench
Phillips Head screw driver
Torque wrench
3/8” Wrench
Penetrox A-13 (Lincoln E2529) Electrical Joint Compound
TROUBLESHOOTING & REPAIR
F-50 F-50
PRO-CUT 80
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WARNING
This procedure takes approximately 40 minutes to perform.