Lincoln Electric SQUARE WAVE TIG 355 Service Manual page 146

F-94
RECOMMENDED METERS FOR MACHINE OUTPUT TESTS
VOLTMETER:
AMMETER:
IMPORTANT: IF OTHER TYPE METERS ARE USED RESULTS MAY NOT BE ACCURATE
MAIN TRANSFORMER SECONDARY VOLTAGES (SEE FIGURE F.32)
TROUBLESHOOTING AND REPAIR
RETEST AFTER REPAIR (continued)
OUTPUT CURRENT RANGE
2 - 400 Amps AC and DC
AC and DC True RMS Meter – Fluke 8922A or equivalent
Columbia Type AX AC or DC Tong Ammeter
FIGURE F32. – TRANSFORMER LEAD TEST POINTS
X1
X7
X3
X4
Test Points
X1 to X2
X3 to X4
X5 to X6
X2 to X7
SQUARE WAVE TIG 355
X5
X6
X2
Voltages
84 to 89VAC
117 to 125VAC
22 to 24VAC
77 to 81VAC
F-94