TM 55-1930-209-14&P-19
Table 12-4. Preventive Maintenance Checks and Services for Communications Systems (Continued)
B -
Before
D -
Daily
Q - Quarterly
D -
During
W -
Weekly
S - Semiannually
A -
After
M -
Monthly
A - Annually
INTERVAL
ITEM
PROCEDURES
EQUIPMENT
ITEM
TO BE
CHECK FOR AND HAVE
IS NOT READY/
NO.
INSPECTED
REPAIRED OR ADJUSTED
AVAILABLE IF
B D A D W M Q S A
AS NECESSARY
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
if necessary.
g. Check for loose, missing or broken
mountings, hardware brackets, etc.
Tighten or replace as necessary.
h. Check for proper installation and opera-
Antennas inopera-
tion of Army and Marine radio antennas.
ble.
i. Check for normal operation of radios.
Notify shift leader or bargemaster of mal-
functions so that corrective action can be
taken.
j. Check antenna base for collection of
water.
Drain if necessary.
k. Check for frayed or damaged cables.
Cables frayed or
Replace as necessary. In cold weather,
damaged.
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.
2
Foghorn
a. Check for complete installation of
Installation incom-
Equipment
foghorn equipment.
plete.
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
labels.
c. Check controls for missing, loose or bro-
Switches and push-
ken switches and pushbuttons.
buttons missing,
loose or broken.
12-5
