Lincoln Electric 11937 Service Manual page 37

TROUBLESHOOTING AND REPAIR
F-23 F-23
CONTROL BOARD
REMOVAL AND REPLACEMENT PROCEDURE
WARNING
Service and repair should be performed only by Lincoln Electric factory trained per-
sonnel. 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 trouble-
shooting assistance before you proceed. Call 1-888-935-3877.
TEST DESCRIPTION
This procedure will aid the technician in the removal and replacement of the Control
Board.
MATERIALS NEEDED
5/16" Nutdriver
WIRE FEEDER WELDER (180 MODEL)