Lincoln Electric SVM118-A Manual De Usuario

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TABLE OF CONTENTS
-TROUBLESHOOTING & REPAIR SECTION-
Input Power Factor Capacitor Voltage Check and Discharge Procedure..........................F-20
ARC Start Trigger Circuit Test.............................................................................................F-22
Power Board Test ...............................................................................................................F-25
Input Contactor Test ...........................................................................................................F-28
Pilot Transformer Test .........................................................................................................F-32
Feed-Thru PC Board Test...................................................................................................F-34
Protection PC Board Test ...................................................................................................F-38
Main Transformer Test ........................................................................................................F-41
Control Transformer (T5) Voltage Test ................................................................................F-44
Control Board Test..............................................................................................................F-47
Static SCR Test...................................................................................................................F-51
Active SCR Test ..................................................................................................................F-54
Section F-1
Section F-1
SQUARE WAVE TIG 355