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F-30
TROUBLESHOOTING & REPAIR
F-30
POWER-ARC 4000
STATOR/ROTOR 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 removing the stator and/or rotor for maintenance or replace-
ment of either component.
MATERIALS NEEDED
Lincoln Electric Rotor Removal Kit (S20925) - FOR ROTOR REMOVAL ONLY
5/16” nut driver
1/2” socket wrench
6” socket extension
Slot head screw driver
5/8” socket wrench
7/16” socket wrench
7/16” open or box end wrench
3/4” socket or box end wrench
1/2” socket or box end wrench
Needle nose pliers
Diagonal cutters
Torque wrench (ft lbs)
Babbitt, leather, or wooden mallet
Volt/ohmmeter
12” (long) feeler gauge (.010)
INSTRUCTIONS
For stator removal only, follow steps 1 -17 under STATOR REMOVAL PROCEDURE. For reassembly of stator,
go to REASSEMBLY PROCEDURE steps 3 - 18.
For rotor removal
, follow the STATOR REMOVAL PROCEDURE, ROTOR REMOVAL PROCEDURE, and
REASSEMBLY PROCEDURE.
WARNING
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This procedure takes approximately 3 hours to perform.