Troubleshooting Procedures - Continued - TM-5-6350-264-14P-10

Troubleshooting Procedures - Continued - TM-5-6350-264-14P-10_60

Troubleshooting Procedures - Continued - TM-5-6350-264-14P-10_62

TM-5-6350-264-14P-10 Alarm Set Control Manual
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TM 5-6350-264-14&P-10 NAVELEX EE 181-AA-OMI-110O/E121 C-9412 T.O. 31S9-2FSS9-1-10 Table 5-2. Troubleshooting Procedures - Continued Trouble Probable cause Corrective action 2. (Cont) d. (Cont) and connect wires to TB3. Turn power supply upright and position it over standoffs on side of CU enclose- ure. Note that cable clamp goes un- der screw on bottom front of power supply. Insert screws and tighten to secure power supply. Connect wires to TB1. Replace cover and secure with screws. Connect wires to TB2 and TB4. Position battery outside CU enclosure. Carefully insert bat- tery end first; turn and lower it into bottom of CU enclosure. Connect wires to battery terminals. Switch on main circuit breaker. (5) Turn on switch S1 on power supply. Depress TRANSMITTER RESYNC switch S2. Wait about 5 minutes for system to stabilize. During 5-minute stabilization period, check power supply. Set multimeter to dc volts and connect negative lead to chassis (ground). Connect positive lead to power supply, TB2-3. Meter should indicate 20 +1 vdc. Connect positive lead to TB2-5. Meter should indicate 5 0.25 vdc. Connect lead to TB2-2. Meter should indicate 28 ± 2 vdc. Turn mode switch to TEST/RESET and then to SECURE. (6) If meter indication is correct, at J8-18 turn off switch S1 on power supply. Set meter to ohms and connect leads to TB2-2 and J8-18. Meter should indicate 0 ohms. (7) If meter does not indicate 0 ohms, in- spect wires from TB2-2 to J12/P1 pin 26 to J8-18 for broken or loose connections. Resolder any bad con- nections. f. If meter indicates 28 +2 vdc, at J8-18 con- nect positive meter lead to J8-16. Meter should indicate 18.5 to 21 vdc. 5-43

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