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
5. (Cont)
b. (Cont)
(2) To install new mode switch, use a
soldering iron of 50 watts max-
imum to connenct wires to
switch terminals. Slip mount-
ing 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 en-
gages notch in mounting brac-
ket. Secure bracket and stop to
switch with lock washer and
small hex nut. Insert lock
through hole in CU door; slip
spacer over lock. Slip switch
arm over switch shaft. Ensure
that arm is aligned with the
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 stabil-
ize. Turn mode switch to
TEST/RESET and then to
SECURE.
i.
If meter indicates 20 ± 1 vdc on both
terminals 2-2 and 2-1 on S3, replace
PC board A8.
(1) To remove PC board A8, turn off
switch S1 on top of power
supply. Place thumb or finger
under board ejector and lift up
until board pops out of
receptacle at back of status
processor. Then grasp PC board
and pull straight out.
5-86
