Lincoln Electric RANGER 9 SVM 110-A Service Manual page 93

F-38
TYPICAL DC WELD OUTPUT VOLTAGE WAVEFORM (CV MODE HIGH TAP)
RANGER 9
TROUBLESHOOTING & REPAIR
MACHINE LOADED
20 volts
MACHINE LOADED TO 250 AMPS AT 25VDC
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. The machine
was loaded with a resistance grid
bank.
Note: Scope probes connected at
machine output terminals.
SCOPE SETTINGS
Volts/Div.....................20V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling ............................DC
Trigger .........................Internal
CH1
0 volts
5 ms
F-38
RANGER 9