Filter
Top Products
F-27
TROUBLESHOOTING & REPAIR
F-27
POWER-ARC 4000
CAPACITOR AND/OR DIODE BRIDGE 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 troubleshooting assistance before you proceed.
Call 1-800—833-9353 (WELD).
DESCRIPTION
The following procedure will aid the technician in accessing and removing the capacitor and diode bridge for
maintenance or replacement of either component.
MATERIALS NEEDED
5/16” Nut driver
5/16” Wrench
Jumper wire with alligator clips on each end for discharging the field capacitor
Slot head screw driver
Needle nose pliers
Wiring Diagram
WARNING
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC
This procedure takes approximately 35 minutes to perform.