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TROUBLESHOOTING & REPAIR
F-81 F-81
COMMANDER 300
This is the typical DC output voltage
generated from a properly operating
machine. Note that each vertical
division represents 20 volts and that
each horizontal division represents 5
milliseconds in time.
The machine was loaded with a
resistance grid bank to 300 amps at
32 volts.
SCOPE SETTINGS
Volts/Div.....................20V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
NORMAL WELD VOLTAGE WAVEFORM (STICK CC)
MACHINE LOADED TO 300 AMPS AT 32 VOLTS
0 volts
20V 5ms