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
2. (Cont)
d. (Cont)
and switch stop. Note that mode
switch is a three deck switch. Tag
wires and use a soldering iron of 50
watts maximum to remove them
from switch terminals.
(2)
To install new mode switch, use a
soldering iron of 50 watts maximum
to connect wires to switch terminals.
Slip mounting bracket and switch
stop over switch shaft. Ensure that
notch in mounting bracket fits over
tab on switch body, and that the
tang on switch stop engages notch
in the mounting bracket. Secure
bracket and stop to switch with
lock washer and small hex nut. In-
sert lock through hole in CU door;
Slip switch arm over switch shaft.
Ensure that arm is aligned with tang
on switch stop. Place large hex nut
inside switch mounting bracket; slip
bracket over lock. Engage switch
shaft in lock. Tighten nut to secure
switch.
(3)
Turn on switch S1 on power supply.
Depress TRANSMITTER RESYNC
switch S2. Wait about 5 minutes for
system to stabilize. Turn mode
switch to TEST/RESET and then to
SECURE.
j.
If meter indicates 0 v at switch S3, terminal
2-4, connect positive meter lead to
power supply TB2-3.
k.
If meter indicates 0 v, check fuse F2.
l.
If F2 is good, replace power supply.
(1) To remove power supply, pull main
circuit breaker to remove 120 vac
from CU. Disconnect wires from
battery. As battery is heavy, lift
and turn it to remove from bottom
of CU enclosure. Tag and disconnect
5-45
