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F-39 F-39
MULTI-SOURCE METER ACCURACY CHECK
TROUBLESHOOTING & REPAIR
MULTI-SOURCE
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WARNING
Service and repair should be performed only by Lincoln Electric factory trained personnel.
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 precautions 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).
TEST DESCRIPTION
This procedure will aid the technician in checking and calibrating the meter display.
MATERIALS NEEDED
DC ammeter and meter grade shunt, +/- 1% accuracy
Resistive load bank and/or Multi-Weld machines
This procedure takes approximately 30 minutes to perform.