Lincoln Electric LN-25 SVM179-B - Manual (Page 77)

TROUBLESHOOTING & REPAIR F-33 F-33
LN-25™ PRO
RETEST AFTER REPAIR
Retest a machine :
• If it is rejected under test for any reason that requires you to
remove any part which could affect the machine’s electrical charac-
teristics.
OR
• If you repair or replace any electrical components.
SET UP
1. Connect a supply of filtered compressed air at 80 psi to the gas inlet.
2. Supply 15 to 110 VAC to the machine.
3. Connect the gun to the connector block and connect the trigger.
OPERATION VERIFICATION
WIRE FEED SPEED (Standard) ...................50 through 700 IPM
WIRE FEED SPEED (Ext. Torque)...................50 through 400 IPM
VOLTMETER (Analog)..............Must read Inpit Voltage +/-2%
VOLTMETER (Digital)...............Must operate at 3 TO 12 VDC input volts
GAS SOLENOID.......................Must operate when Gun Trigger is activated.
CONTACTOR............................Must operate when Gun Trigger is activated
or after Pre-flow time if Timer Kit is installed.
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