Rotor And Stator Removal And Replacement Procedure - Lincoln Electric Fleet 400 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 400 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.48. 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.48. See Wiring Diagram. Label and disconnect
lead 201.
9. Label and disconnect all leads attached to the chopper module board and the choke. Cut cable ties
as necessary.
10. Using a 1/2" nutdriver, remove the four screws securing the chopper and choke bracket to the
machine. See Figure F.49. Carefully remove the chopper and choke bracket.
Fleet™ 400 Service Manual
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