Trigger Transformer Test - Lincoln Electric SVM 106-A Service Manual

F-14
Service and repair should only be performed 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 technical troubleshooting assistance before you proceed. Call 216-383-2531
or 1-800-833-9353(WELD).
TEST DESCRIPTION
This test will determine if the correct voltages are being induced in the secondary
windings of the trigger transformer.
MATERIALS NEEDED
115 VAC power supply
Volt/Ohmmeter (Multimeter)
5/16 in. wrench or straight blade screwdriver
Wiring Diagrams, Figure G.1 - G.3.
LN-7 GMA WIRE FEEDER
TROUBLESHOOTING AND REPAIR

TRIGGER TRANSFORMER TEST

WARNING