Figure 5-10 No line currents are flowing, or no line current indication (sheet 3 of 5).

Figure 5-10 No line currents are flowing, or no line current indication (sheet 2 of 5).

Figure 5-10 No line currents are f/owing, or no line current indication (sheet 4 of 5).

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-666-13 DANGEROUS VOLTAGE EXISTS ON LIVE CIRCUITS. AL- WAYS OBSERVE SAFETY PRECAUTIONS AND NEVER WORK ALONE. FAILURE TO OBSERVE THIS WARNING COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH. r ^v 7 Continue on NO YES I Measure voltage at page 4 - T8 (secondary winding): - 0 - X.X VAC (0 - 600 A)? YES AMPS Li @A) meter indicates line current? NO 7 Replace T8 (PARAGRAPH 5.17) v NO Measure voltage at YES T8/1 and P4a/l: 0 -X.X VAC (0 - 600 A)? w Repair or Replace cable “156” 7 NO Measure voltage at YES - PI (Input) and P4afl: - 0 -X.X VAC (0 - 600 A)? 7 7 Check P4a, cable “129” and Replace P 1 Pl Repair or Replace (PARAGRAPH 4.56) defective component (PARA- GRAPHS 4.64, or 4.56) I Figure 5-10 No line currents are flowing, or no line current indication (sheet 3 of 5). 5 - 65

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