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