Lincoln Electric POWER MIG SVM167-A Service Manual page 59

F-23
TROUBLESHOOTING AND REPAIR
TYPICAL OUTPUT VOLTAGE WAVEFORM - MACHINE LOADED
MACHINE LOADED TO 200 AMPS AT 22 VDC
This is a typical DC output voltage wave-
form generated from a properly operat-
ing machine.
division represents 10 volts and that
each horizontal division represents 5
milliseconds in time. The machine was
loaded with a resistance grid bank.
NOTE: Scope probes connected at
machine output terminals: (+)
probe to electrode, (-) probe to
work.
(MAX TAP "G")
10.0 V
Note that each vertical
POWER MIG® 215
5 ms
SCOPE SETTINGS
Volts/Div.................................10V/Div
Horizontal Sweep.................5 ms/Div
Coupling........................................DC
Trigger....................................Internal
F-23
0 Volts