Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

F-23

TROUBLESHOOTING AND REPAIR

F-23

TYPICAL OUTPUT VOLTAGE WAVEFORM - MACHINE LOADED

(MAX TAP “G”)

0 Volts

10.0 V

5 ms

MACHINE LOADED TO 200 AMPS AT 22 VDC

SCOPE SETTINGS

This is a typical DC output voltage wave-

 

 

form generated from a properly operat-

Volts/Div

10V/Div

ing machine. Note that each vertical

 

 

division represents 10 volts and that

Horizontal Sweep

5 ms/Div

each horizontal division represents 5

 

 

milliseconds in time. The machine was

Coupling

DC

loaded with a resistance grid bank.

 

 

 

 

Trigger

Internal

NOTE: Scope probes

connected at

 

 

machine output

terminals: (+)

 

 

probe to electrode, (-) probe to

 

 

work.

 

 

 

 

 

 

 

POWER MIG 200

Page 57
Image 57
Lincoln Electric SVM157-A service manual Volts 10.0, Typical Output Voltage Waveform Machine Loaded MAX TAP G