Lincoln Electric 10372 Service Manual page 139

F-75 TROUBLESHOOTING ND REP IR F-75
CONTROL OR POWER BO RD REMOV L ND REPL CEMENT
W RNING
Service and repair should only be performed by Lincoln Electric factory trained
personnel. Unauthorized repairs performed on this equipment may result in dan-
ger to the technician or machine operator and will invalidate your factory war-
ranty. 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 per-
form the test/repairs safely, contact the Lincoln Electric service department for
technical troubleshooting assistance before you proceed. Call 216-383-2531 or
1-888-935-3877.
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DESCRIPTION
This procedure will aid the technician in the removal and replacement of either the
power board or the control board.
This procedure takes approximately 15 minutes to perform.
M TERI L NEEDED
3/8 in. nutdriver
Phillips head screwdriver
Anti-static wrist strap
POWER W VE 455/POWER FEED 10