Normal Open Circuit Voltage Waveform (Stick - Lincoln Electric Ranger 305D Service Manual

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NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (STICK)

TROUBLESHOOTING & REPAIR
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MAX CONTROL POT - HIGH IDLE - NO LOAD
50V
This is the typical DC open circuit out-
put voltage generated from a properly
operating machine. Note that each
vertical division represents 50 volts
and that each horizontal division rep-
resents 5 milliseconds in time.
NOTE: Scope probes are connected
at weld output terminals.
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
RANGER 305D
CH1
0 volts
5ms
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