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TROUBLESHOOTING & REPAIR
F-51 F-51
RANGER 10-LX
WARNING
FIELD CAPACITOR AND/OR RECTIFIER 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 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 216-383-2531 or 1-800-833-9353 (WELD).
DESCRIPTION
The following procedure will aid the technician in accessing and removing the field capacitor
and rectifier bridge for maintenance or replacement of either component.
MATERIALS NEEDED
5/16” Nut driver
3/8” Nut driver
Jumper wire with alligator clips on each end for discharging the field capacitor
Slot head screw driver
Needle nose pliers
Wiring Diagram