TM 5-4920-410-13&P(9) Disconnect all test equipment from test set andset test set switches to down or OFF.i. Panel Point of Regulation.(1) Observe that the 400 GEN T1 circuit breakeris OFF and test set switches are down or OFF.(2) Connect 115 vat, 400 Hz to J1 connector pins A(+) for T1 and pin S ( -) and connect digital voltmeter toJ1 connector pins T (+) and S (-).(3) Push 400 GEN T1 circuit breaker to IN positionand place GEN switch to OFF.(4) Set DC BACKUP to ON and CT CURRENTswitch to OFF.(5) Set GEN/PMG VOLTS switch to T1 and TESTSELECTOR to each position as listed in Table 4-5. Indica-tions will be as specified in Table 4-5.(6) Pull 400 GEN T1 circuit breaker to OUT po-sition.(7) Repeat techniques 2, 3, 5, & 6 above forGEN/PMG VOLTS switch T2, J1 connector pin U (+),and set TEST SELECTOR to each position as listed in Ta-ble 4-5. Indications will be as specified. If not, seetroubleshooting Table 4-7.(8) Repeat technique 2, 3, 5, & 6 above forGEN/PMG VOLTS switch T3, J1 connector pin V (+)and set TEST SELECTOR to each position as listed inTable 4-5. Indications will be as specified. If not, seetroubleshooting Table 4-7.(9) Disconnect all test equipment, jumpers fromtest set and place all switches to down or off position.j. Current Limit Resistance Check.(1) Remove all test equipment from test set.(2) Connect digital VOM to J1 pins A and N and setrange to ohms.Table 4-5. Panel Point of Regulation4 -8
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