Control Transformer (Tr1) Resistance Test (460V Machine - Lincoln Electric X-TRACTOR 3A Service Manual

X-TRACTOR ® 3A
CONTROL TRANSFORMER (TR1) RESISTANCE TEST
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 troubleshooting assistance before you proceed.
Call 1-888-935-3877.
TEST DESCRIPTION
This test will help determine if the Primary and Secondary Transformer Windings are open or grounded.
MATERIALS NEEDED
Voltmeter/Ohmmeter (Multimeter)
Small Slotted Screwdriver
Wiring Diagram
(460V MACHINE)
WARNING
F-9
TROUBLESHOOTING AND REPAIR