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F-64
TROUBLESHOOTING & REPAIR
F-64
NA-5
METER CIRCUIT ACCURACY TEST
TEST DESCRIPTION
This test will help determine if the NA-5 meter circuit is functioning properly.
MATERIALS NEEDED
Digital volt/ohmmeter with at least 3-1/2 digits and +/- 0.5% accuracy
5/16" Nutdriver
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 (216) 383-2531 or (800) 833-9353 (WELD).
_____________________________________________________________
WARNING
The Speed Meter Circuit tests take approximately 15 minutes to perform.
The Volt Meter Circuit tests take approximately 15 minutes to perform.
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