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-69

F-69

TROUBLESHOOTING & REPAIR

RETEST AFTER REPAIR

Retest the LN-9 GMA wire feeder:

If it fails any test and the test requires removing or replacing any mechanical part that could affect the wire feeder's electrical characteristics.

OR

If you repair or replace any electrical compo- nent.

The wire feeder must meet the following standards under retest:

Wire Feed Speed, LN-9 GMA

...........................................................................................80 - 980 IPM

Voltmeter

Refer to Voltmeter Accuracy Check

Wire Speed Meter

Refer to Meter Circuit Accuracy Test

Gas Solenoid

Must function when gun trigger is activated

Voltage control and shutdown

Refer to Out of Voltage Range Shut Down Test

LN-9 GMA Wire Feeder

Page 133
Image 133
Lincoln Electric SVM138-A service manual Retest After Repair, Retest the LN-9 GMA wire feeder