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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
9.
(Cont)
c.
(Cont)
screws and lock washers
and remove terminal board
cover from TB1 on power
supply. Tag and discon-
nect 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.
(2)
Remove screws securing cover
of power supply and re-
move cover.
(3)
Set multimeter to ohms. With
switch S1 set to POWER
OFF, connect meter leads
to S1-3 and S1-4 (black
wires). Meter should indi-
cate 100,000 ohms or
more. If meter does not in-
dicate 100,000 ohms or
more, replace power
supply.
(4)
Set switch S1 to POWER ON.
Meter should indicate 0
ohms. If meter does not in-
dicate 0 ohms, replace
power supply.
(5)
If meter indicates switch S1
is good, replace power sup-
ply.
(6)
To remove switch S1 from
power supply, tag, identify,
and disconnect wires on
switch S1. Remove nut se-
curing switch to chassis and
remove switch.
(7)
To install new switch, posi-
tion switch and secure with
nut. Connect wires on
switch terminals. Install
cover and secure with
screws.
5-15
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