TM 5-6350-264-14&P-11
NAVELEX EE 181-AA-OMI-120/E121 C-7359-40-1
T.O. 31S9-2FSS9-1-11
Table 5-1. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective Action
10. (Cont)
a.
(Cont)
external ac power by turn-
ing off circuit breaker. Dis-
connect battery terminal
leads and remove battery.
Remove screws and lock
washers and remove ter-
minal board cover from
TB1 on power supply. Tag
and disconnect all intercon-
necting wires from TB1,
TB2, and TB3. Remove
nuts from captive screws
that secure power supply
in cabinet. Lift power sup-
ply up and to the right and
remove from cabinet.
(4)
To install new five-zone Mon-
itor Cabinet power supply,
position power supply in
cabinet and install mount-
ing nuts. Connect all inter-
connecting wires to TB1,
TB2, and TB3. Position
terminal board cover on
TB1 and install mounting
screws and lock washers.
Position battery in cabinet
and connect terminal leads.
Turn on external ac power
by turning on circuit break-
er. Close and latch mount-
ing rack. Close and lock
cab cabinet door.
Twenty-five-zone pow-
er supply is heavy. Use
caution when lifting.
(5)
To remove twenty-five-zone
Monitor Cabinet power
supply, unlock and open
cabinet door. Unlatch and
swing out the two mount-
ing racks just above power
5-18
