Choke Removal And Replacement Procedure - Lincoln Electric Cross Country 300 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 Assembly.
MATERIALS NEEDED
3/4" Nutdriver
1/2" Nutdriver
1/2" Open-End Wrench
Wiring Diagram
REMOVAL PROCEDURE
1. Turn off the engine on the Cross Country 300 machine.
2. Perform the Case Cover Removal Procedure.
3. Perform the Capacitor Discharge Procedure.
4. Perform the Field Capacitor Removal Procedure.
5. Carefully slide the front panel away from the machine to gain access to the choke lead mounting
screws.
NOTE: To avoid damage to the wiring of the front panel, do not slide the front panel any more than
necessary to gain access to the mounting screws.
6. Using a 3/4" nutdriver, remove the bolt, lock washer and flat washer securing the choke lead to the
rear side of the negative CC output terminal. See Figure F.57. See Wiring Diagram.
7. Using a 3/4" nutdriver, remove the bolt, lock washer and flat washer securing the choke lead to the
rear side of the negative CV output terminal. See Figure F.57. See Wiring Diagram.
8. Using a 1/2" nutdriver and a 1/2" open-end wrench, remove the bolt, nut, lock washer and two flat
washers securing the choke assembly to the choke bracket. See Figure F.58.
9. Cut any cable ties securing the choke leads to the fan guard and route choke leads to allow for the
removal of the choke assembly.
10. The choke assembly can now be removed and replaced.
REPLACEMENT PROCEDURE
1. Carefully position the new choke assembly onto the choke bracket.
2. Replace any previously cut cable ties securing the choke leads to fan guard.
Cross Country™ 300 Service Manual
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