Rotor And Stator Removal And Replacement Procedure - Lincoln Electric Fleet 650 Service Manual

LINCOLN ELECTRIC

ROTOR AND STATOR REMOVAL AND REPLACEMENT PROCEDURE

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 1-888-935-3877.
TEST DESCRIPTION
This procedure will aid the technician in the removal and replacement of the Rotor and Stator assemblies.
MATERIALS NEEDED
7/16" Nutdriver
3/8" Nutdriver
1/2" Nutdriver
1 1/8" Wrench
3/4" Deep Well Socket
3/4" Open-End Wrench
Hoist And Appropriate Rigging
Wood Or Steel Blocking
5/8" Socket
Wiring Diagram
REMOVAL PROCEDURE
1. Turn off the engine on the Fleet 650 machine.
2. Perform the Case Cover Removal Procedure.
3. Perform the Chopper Module Capacitor Discharge Procedure.
4. Perform the Front Panel Removal Procedure.
5. Perform the Output Rectifier Bridge Removal Procedure.
6. Perform the Fuel Tank Removal Procedure.
7. Using a 7/16" nutdriver, remove the nut, lock washer and flat washer securing lead 200B to the
positive terminal of the field capacitor. See Figure F.52. See Wiring Diagram. Label and disconnect
lead 200B.
8. Using a 7/16" nutdriver, remove the nut, lock washer and flat washer securing lead 201 to the
negative terminal of the field capacitor. See Figure F.52. See Wiring Diagram. Label and disconnect
lead 201.
9. Using a 3/8" nutdriver, remove the nut, lock washer and flat washer securing the leads to the PCB
bracket ground stud. See Figure F.53. See Wiring Diagram. Label and disconnect leads.
10. Using a 1/2" nutdriver, remove the four screws securing the PCB bracket to the shelf. See Figure
F.53. Remove the PCB bracket.
Fleet™ 650 Service Manual
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