Retest After Repair - Lincoln Electric SQUARE WAVE TIG 175 Service Manual

F-57
Should a machine under test be rejected for any reason requiring the removal of any mechanical part that could
affect the machine's electrical characteristics, or if any electrical components are repaired or replaced, the
machine must be retested.
Input Volts/Hertz
Stick Mode OCV
TIG Mode OCV
DC TIG Mode
DC TIG Mode
RECOMMENDED METERS FOR MACHINE OUTPUT TESTS
VOLTMETER: AC and DC True RMS Meter - Fluke 8922A or equivalent
IMPORTANT: IF OTHER TYPE METERS ARE USED RESULTS MAY NOT BE ACCURATE.
TROUBLESHOOTING & REPAIR

RETEST AFTER REPAIR

INPUT IDLE AMPS
208/60
230/60
OPEN CIRCUIT VOLTAGES
MAXIMUM ACCEPTABLE OUTPUT VOLTAGE -
AT MINIMUM OUTPUT SETTINGS
MINIMUM ACCEPTABLE OUTPUT VOLTAGE -
AT MAXIMUM OUTPUT SETTINGS
AMMETER: Columbia Type AX AC or DC Tong Ammeter
SQUARE WAVE TIG 175
Maximum Idle Amps
2.50 Amps
3.00 Amps
AC 72 - 76VAC
DC 57.5 - 64.0VDC
AC 73 - 77VAC
DC 57.5 - 64.0VDC
12 Amps @ 12 Volts
175 Amps @ 29 Volts
F-57