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
1. (Cont)
f.
(Cont)
l.
If meter indicates less than 2, 000 ohms
in SECURE and more than 100, 000
ohms in ACCESS, and if there is a jumper
wire from S3, terminal 3-1 to terminal
3-3, replace mode switch S3.
m.
If meter indicates more than 100, 000
ohms with mode switch in SECURE,
connect meter leads to S3, terminals
3-4 and 3-3, and then terminals 3-4
and 3-1.
n.
If meter indicates more than 100, 000
ohms, replace mode switch S3.
(1)
To remove mode switch, remove
large hex nut that secures switch
mounting bracket to inside of CU
door. Remove switch and mount-
ing bracket together. Be careful
not to lose switch arm because it
is not secured to switch shaft.
Remove spacer and lock from
door so no items will be lost. Re-
move small hex nut and lock wash-
er that secures mounting bracket
and switch stop to switch shaft.
Remove mounting bracket 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 maxi-
mum 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 mounting
bracket. Secure bracket and stop
to switch with lock washer and
small hex nut. Insert lock through
hole in CU door; slip spacer over
5-32
