Pipe/Gouge Range Switch Removal And Replacement Procedure - Lincoln Electric Fleet 400 Service Manual

LINCOLN ELECTRIC

PIPE/GOUGE RANGE SWITCH 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 Pipe/Gouge Range Switch.
MATERIALS NEEDED
3/8" Nutdriver
Wiring Diagram
REMOVAL PROCEDURE
1. Turn off the engine on the Fleet 400 machine.
2. Using a 3/8" nutdriver, remove the four screws securing the upper control panel to the machine.
See Figure F.40.
3. Lower the upper control panel to gain access to the switch.
4. Label and disconnect leads 218, JP2 and 217 from the terminals of the switch. See Figure F.41. See
Wiring Diagram.
5. Carefully depress the tabs at the left and right of the of the rear side of the switch. See Figure F.41.
6. Carefully maneuver the switch thru the front of the upper control panel.
7. The switch can now be replaced.
REPLACEMENT PROCEDURE
1. Carefully position the new switch into the upper control panel.
2. Connect leads 218, JP2 and 217 to the terminals of the switch. See Wiring Diagram.
3. Place the upper control panel
4. Using a 3/8" nutdriver, attach the four screws securing the upper control panel to the machine.
5. Perform the Retest After Repair Procedure.
into position.
Fleet™ 400 Service Manual
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