TM 55-1930-209-14&P-1
(3)
Check for corrosion or rust. Clean and touch up paint as necessary, in accordance with
TB 43-0144, to match surroundings.
(a)
When cleaning, avoid damaging insulation, mounting system, and hardware, or impairing
electrical/electronic properties of item being cleaned.
(b)
Vacuum internal portions of electronic components.
(c)
Wipe dirt from external sources, except plastics, with dry cheesecloth or, if necessary,
with a soapy cloth. Cloth should be damp but not dripping wet.
(d)
Avoid using solvents for cleaning internal portions of electrical/electronic equipment.
Solvents leave a greasy film on components and may reduce electrical conductivity.
(4)
Check controls of components to make sure knobs are not missing, broken, or loose and that
controls turn properly.
(5)
Check for loose plugs and jacks. Tighten if necessary.
(6)
Check for loose mountings, hardware, brackets, etc. Tighten as necessary.
(7)
Make sure Army radio and marine radio antennas are properly installed.
b.
Make sure power switches are set to OFF position for all radio system operating equipment.
c.
Make sure correct power fuses are installed in the radio equipment as specified in the following table.
CAUTION
Be sure proper fuse ampere rating and type are Installed as listed in the following
table. If a larger ampere-rated fuse is installed, damage to equipment circuitry can
occur.
Operating equipment
Fuse rating
Location
Army radio power supply
3A ac
Front panel of power supply
Marine radio
10A
ac power cord to radio
Walkie-talkie
3/4A
In series with power input circuit
from CNB4 ni-cad battery pack
d.
Make sure circuit breakers are dosed (ON) for the radio equipment specified in the following table.
Radio Equipment
Circuit breaker no.
Panel
Location
Army radio
3P14
24 Vdc power panel
Workshop on aft bulkhead
Army radio power
12P13A-4
Isolating receptacle
Workshop on aft bulkhead
supply
panel
Marine radio and
10P13A-8
Emergency light
ROWPU space on forward
radio power supply
panel
starboard bulkhead
Walkie-talkie
N/A
N/A
N/A
battery charger
5-8
