TM 5-6350-264-14&P-10
NAVELEX EE 181-AA-OMI-110/E121 C-9412
T.O. 31S9-2FSS9-1-10
Table 5-2. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective action
10. (Cont)
b.
(Cont)
near TB4 (bottom front). Sup-
port power supply and turn it
so wires can be tagged and dis-
connected from TB3 on bottom
of power supply.
(2) To install new power supply, re-
move cover, and turn unit so
TB3 is accessible. Support
power supply, and connect
wires to TB3. Turn power sup-
ply upright and position it over
standoffs on side of CU enclos-
ure. Note that cable clamp
goes under screw on bottom
front of power supply. Insert
screws and tighten to secure
power supply. Connect wires
to TB1. Replace cover and se-
cure with screws. Connect
wires to TB2 and TB4. Position
battery outside CU enclosure.
Carefully insert battery end
first; turn and lower it into bot-
tom of CU enclosure. Connect
wires to battery terminals.
Switch on main circuit breaker.
(3) Turn on switch S1 on power supply.
Depress TRANSMITTER RE-
SYNC switch S2. Wait about
5 minutes for system to stabi-
lize. During 5-minute stabili-
zation 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
TB2-5. Meter should
5 +0.25 vdc. Connect
TB2-2. Meter should
28 +2 vdc. Turn mode
TEST/RESET and
SECURE.
5-120
