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TROUBLESHOOTING & REPAIR
F-39 F-39
RANGER 8
This is the typical CV 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.
Note: Scope probes connected at
machine output terminals.
SCOPE SETTINGS
Volts/Div.....................20V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling ............................DC
Trigger .........................Internal
NORMAL OPEN CIRCUIT WELD VOLTAGE WAVEFORM (CV MODE)
HIGH IDLE - NO LOAD - OUTPUT CONTROL AT MAXIMUM
CH1
0 volts
5 ms
20 volts