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Page Title:
Table 5-1. Troubleshooting Procedures - Continued |
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 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
15. (Cont)
b.
(Cont)
(5)
To remove twenty-five-zone
power supply, unlock and
open cabinet door. Un-
latch and swing out two
mounting racks just above
power supply. Position
power supply switch S1 to
POWER OFF. Turn off
external ac power by turn-
ing off circuit breaker. Re-
move nuts from captive
screws that secure power
supply in cabinet. Slide
power supply forward.
Tag and disconnect wires
from TB3. Remove cable
clamp from power supply
cover. Remove terminal
board cover from TB1 on
power supply. Tag and dis-
connect all interconnecting
wires from TB1 and TB2.
Lift power supply at left
end and lower right end off
of ledge. Remove power
supply from cabinet.
(6)
To install new twenty-five-
zone Monitor Cabinet pow-
er supply, position power
supply in cabinet. Connect
all interconnecting wires to
TB1 and TB2. Position ter-
minal board cover on TB1.
Install cable clamp on pow-
er supply cover. Connect
interconnecting wires to
TB3. Install mounting
screws. Turn on external
ac power by turning on cir-
cuit breaker. Close and
latch mounting racks.
Close and lock cabinet
door.
5-27
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