NAVELEX EE 181-AA-OMI-110/E121 C-9412
Table 5-2. Troubleshooting Procedures - Continued
switch mounting bracket to inside
of CU door. Remove switch and
mounting bracket together. Be
careful not to lose switch arm be-
cause it is not secured to switch
shaft. Remove spacer and lock
from door so no items will be lost.
Remove small hex nut and lock
washer that secures mounting brac-
ket 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.
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
lock. Slip switch arm over switch
shaft. Ensure that arm is aligned
with tang on switch stop. Place
large hex nut inside switch mount-
ing bracket; slip bracket over lock.
Engage switch shaft in lock. Tight-
en nut to secure switch.
Turn on switch S1 on power sup-
ply. Depress TRANSMITTER
RESYNC switch S2. Wait about
5 minutes for system to stabilize.
During 5-minute stabilization per-
iod, check power supply. Set
multimeter to dc volts and connect
negative lead to chassis (ground).
Connect positive lead to power