Main Transformer Test - Lincoln Electric IDEALARC SP-250 Service Manual

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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 pre-
cautions 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 (216) 383-2531 or (800) 833-9353 (WELD).
TEST DESCRIPTION
This test will determine if the correct voltages are being
a. applied to the primary windings of the Main Transformer.
b. induced on the weld winding and auxiliary windings.
MATERIALS NEEDED
5/16" Nut Driver
Volt-Ohm Meter
TROUBLESHOOTING & REPAIR

MAIN TRANSFORMER TEST

IDEALARC SP-250
WARNING
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