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ARMY *TM 9-6115-464-34 AIR FORCE TO-35C2-3 ... - Igor Chudov

ARMY *TM 9-6115-464-34 AIR FORCE TO-35C2-3 ... - Igor Chudov

ARMY *TM 9-6115-464-34 AIR FORCE TO-35C2-3 ... - Igor Chudov

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<strong>ARMY</strong> TM 9-<strong>6115</strong>-<strong>464</strong>-<strong>34</strong><strong>AIR</strong> <strong>FORCE</strong> <strong>TO</strong> <strong>35C2</strong>-3-445-2NAVY NAVFAC P-8-624-<strong>34</strong>Figure 3–108. Transformer assemblies, Removal and Installationb. Cleaning. Inspection. and Testing.(1) Clean transformer assemblies with a clean, lint-free cloth moistened with an approved solvent anddry thoroughly.(2) Inspect transformer assemblies for cracks, corroded terminals, and evidence of shorting.(3) Test current boost transformer as follows:(a) Using an ohmmeter, check resistance between terminals A1 and A2, B1 and 62, and C1 and C2,figure 3-109. Resistance shall be 0.19 ohm in each case.(b) Apply 7V-60 Hz to secondary winding. Excitation current shall be 0.075 amp (maximum).(4) Test instrumentation transformer as follows:(a) Using an ohmmeter, check resistance between terminals A1 and A2, B1 and B2, C1 and C2 (figure3-102). Resistance shall be 0.11 ohm in each case.(b) Apply 10V-60 Hz to secondary winding. Excitation current shall be 0.050 amp (maximum).(5) Test cross-current compensation transformer as follows:(a) Using an ohmmeter, check resistance between terminals. Resistance shall be 0.3 ohm.(b) Apply 10V-60 Hz to secondary winding. Excitation current shall be 0.050 amp (maximum).(6) Replace defective or damaged transformers.3-233

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