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TROUBLESHOOTING & REPAIR |
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CONTROL TRANSFORMER (T2) VOLTAGE TEST
WARNING
Service and repair should only be performed by Lincoln Electric factory trained person- nel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safe- ty 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
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CAUTION
If machine case sides and top are removed the case back and front must be support- ed. Failure to do this could result in mechanical or electrical damage to the TIG 255.
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TEST DESCRIPTION
This test will determine if the correct voltage is being applied to the primary of the con- trol transformer and also if the correct voltages are being induced on the secondary windings of the transformer.
MATERIALS NEEDED
Volt/Ohmmeter (Multimeter)
TIG 255 Wiring Diagrams (See Electrical Diagram Section of manual.)
Table of Voltage Tests and Drawing of Transformer and Molex Plug (J8)
