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TROUBLESHOOTING AND REPAIR | ||
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WELD BOOST SYSTEM TEST
WARNING
Service and repair should be performed only by Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or 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 test/repairs safely, contact the Lincoln Electric Service Department for electrical trou- bleshooting assistance before you proceed. Call
TEST DESCRIPTION
This test checks the functionality of the weld boost system. This test should be done if the weld terminal open circuit voltage and engine RPM are normal, but the machine weld output is low.
MATERIALS NEEDED
Resistive load bank
Misc. hand tools
Multimeter
