Drive Motor Test - Lincoln Electric LN-8 SVM132-A Service Manual

F-20 F-20
TROUBLESHOOTING AND REPAIR

DRIVE MOTOR TEST

WARNING
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 (800) 833-9353 (WELD).
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TEST DESCRIPTION
This test will help determine if the drive motor is functioning correctly.
This procedure takes approximately 20 minutes to perform.
MATERIALS NEEDED
5/16 in. nutdriver
Volt-Ohmmeter
Variable DC voltage supply 0 to 90VDC
Isolated DC voltage supply 120VDC
LN-8