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V300-PRO
TROUBLESHOOTING & REPAIR
F-55 F-55
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SWITCH BOARD REMOVAL AND REPLACEMENT PROCEDURE
WARNING
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 pre-
cautions 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
electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.
DESCRIPTION
This procedure will aid in the relpacement of the Switch Boards.
MATERIALS NEEDED
Misc. Hand Tools
Torque Wrench (60 in./lb.)
Wiring Diagram (Section G)
NOTE: BOTH SWITCH BOARDS IN A MACHINE MUST HAVE IDENTICAL
PART NUMBERS. THEY SHOULD ALWAYS BE CHANGED IN PAIRS
EXCEPT FOR L10958-[ ] BOARDS WHICH MAY BE REPLACED
INDIVIDUALLY