Table 12-4. Preventive Maintenance Checks and Services for Communications Systems (Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
e. Check controls of components for miss-
ing, loose or broken knobs. Check that
controls turn properly.
f. Check for loose plugs and jacks. Tighten
g. Check for loose, missing or broken
mountings, hardware brackets, etc.
Tighten or replace as necessary.
h. Check for proper installation and opera-
tion of Army and Marine radio antennas.
i. Check for normal operation of radios.
Notify shift leader or bargemaster of mal-
functions so that corrective action can be
j. Check antenna base for collection of
Drain if necessary.
k. Check for frayed or damaged cables.
Cables frayed or
Replace as necessary. In cold weather,
do not bend cables or cords.
I. Make sure connector/receptacle pins on
interconnecting cables are straight and
free of corrosion and rust. Straighten
pins and remove rust as necessary.
a. Check for complete installation of
b. Check for corrosion or rust. Clean and
touch up paint as necessary in accor-
dance with TB 43-0144 to match sur-
rounding area. DO NOT paint threads or
c. Check controls for missing, loose or bro-
Switches and push-
ken switches and pushbuttons.
loose or broken.