Choke Removal And Replacement Procedure - Lincoln Electric FlexCut 200 Service Manual

LINCOLN ELECTRIC

CHOKE 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 Choke.
MATERIALS NEEDED
7/16" Nutdriver
Two 7/16" Open-End Wrenches
3/8" Nutdriver
Wiring Diagram
REMOVAL PROCEDURE
1. Carefully remove input power from the FlexCut 200 machine.
2. Perform the Case Cover Removal Procedure.
3. Perform the Capacitor Discharge Procedure.
4. Using a 7/16" nutdriver, remove the screw, lock washer and flat washer securing the choke lead to
terminal B4 of the snubber board. See Figure F.66. See Wiring Diagram.
5. Using two 7/16" open-end wrenches, remove the bolt, flat washer, lock washer and nut securing the
choke lead to the rear of the electrode terminal. See Figure F.67. See Wiring Diagram.
6. Using a 3/8" nutdriver, remove the four screws securing the choke to the machine. See Figure F.68.
7. Carefully route the choke leads thru the machine to allow for the removal of the choke.
8. The choke can now be removed and replaced.
REPLACEMENT PROCEDURE
1. Carefully route the choke leads thru the machine to allow for the placement of the choke.
2. Carefully position the new choke into the machine.
3. Using a 3/8" nutdriver, attach the to the four screws securing the choke to the machine.
4. Using two 7/16" open-end wrenches, attach the bolt, flat washer, lock washer and nut securing the
choke lead to the rear of the electrode terminal. See Wiring Diagram.
5. Using a 7/16" nutdriver, attach the screw, lock washer and flat washer securing the choke leads to
terminal B4 of the snubber board. See Wiring Diagram.
6. Perform the Case Cover Replacement
7. Perform the Retest After Repair Procedure.
Procedure.
FlexCut® 200 Service Manual
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