Lincoln Electric IDEALARC SP-255 Service Manual page 79

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WIRE DRIVE MOTOR AND TACHOMETER FEEDBACK TEST
Service and repair should be performed only by Lincoln Electric factory trained per-
sonnel. Unauthorized repairs performed on this equipment could result in danger to
the technician or the machine operator and will invalidate your factory warranty. For
your safety and to avoid electrical shock, please observe all safety notes and precau-
tions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform
the tests/repairs safely, contact the Lincoln Electric service department for technical
troubleshooting assistance before you proceed.
Call 1-888-935-3877.
_____________________________________________________________
TEST DESCRIPTION
This test will determine if the wire drive motor and voltage feedback circuit are functioning prop-
erly.
MATERIALS NEEDED
5/16" Nut Driver
Volt-Ohmmeter
TROUBLESHOOTING & REPAIR
WARNING
IDEALARC ® SP-255
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