TM 5-6350-264-14&P-9
NAVELEX EE 181-AA-OMI-100/E121 DZ-204
T.O. 31S9-2FSS9-1-9
Table 5-1. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective action
1. (Cont)
d. (Cont)
enclosure out of the outer enclosure. Place inner enclosure
on bench. Remove screws, lock washers, and washers and
disconnect connector J1 from P1. Remove mounting screws
from rear of inner enclosure and remove electronics
assembly.
(2) To install new electronics assembly, position assembly
on inner enclosure. Install mounting screws through
rear of inner enclosure. Connect J1 to P1 and install
screws, lock washers, and washers. Slide inner
enclosure into outer enclosure. Route wires through
hole in rear of inner enclosure. Connect wires that run
from terminal boards to conduits. Align notch on P2
with J2 and connect P2 to J2. Lock metal tabs together
and tighten collar on connector P2.
e.
Defective
a.
Set multimeter to dc volts. Connect positive meter lead to
tamper
P1-24 and negative meter lead to TB2-2.
switch.
b.
If meter indicates 6 +0.5 vdc, connect positive meter lead to
P1-12 and negative meter lead to TB2-2.
c.
If meter indicates less than 1 vdc, turn power switch S3 to
POWER OFF. Remove P2 from J2.
d.
Set the multimeter to ohms. Connect leads to tamper switch
terminals that have wires connected.
(1) Depress the switch plunger. Meter should indicate 0
ohms.
(2) Release the switch plunger. Meter should indicate more
than 100,000 ohms.
e.
If meter indications are not correct, replace tamper switch.
5-13
