Lincoln Electric CLASSIC I SVM134-A - Manual (Page 74)

TROUBLESHOOTING & REPAIR
F-30 F-30
CLASSIC I
This is the typical DC welding output
voltage generated from a properly
operating machine. Note that each
vertical division represents 50 volts
and that each horizontal division
represents 5 milliseconds in time.
Note: Scope probes connected at
machine output terminals.
SCOPE SETTINGS
Volts/Div .....................50V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger .........................Internal
NORMAL OPEN CIRCUIT DC WELD VOLTAGE WAVEFORM
HIGH IDLE – NO LOAD – FINE CURRENT CONTROL RHEOSTAT AND SELECTOR
SWITCH AT MAXIMUM
0 volts
5 ms 50 volts
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Master TOC
Retur
n to Master TOC
Retur
n to Master TOC
Retur
n to Master TOC