CAUTION
USE ONLY CLEAR WATER AND A RAG TO CLEAN PLASTIC SURFACES. DO NOT PAINT THE
PLASTIC SURFACE. DAMAGE TO PLASTIC WILL RESULT IF CLEANED WITH SOLVENT OR
PAINTED.
(2) Check equipment surfaces for corrosion, rust, and fungus. Clean
and touch up the paint as appropriate. General procedures are in SB 11-5-73
and TB 43-0118.
(3) Check the controls of the components to ensure that knobs are not
missing, broken, or loose and that controls turn properly.
Detailed
instructions for replacing control knobs are in Lesson 3.
(4) Check for loose plugs and jacks.
Tighten the cable plug lock
rings and cable restraining devices (glands).
If a plug has an O-ring,
check and ensure that it is properly installed and lubricated. Tighten the
component jack lock rings.
(5) Check the plug-to-Jack connections,
and
ensure
proper
plug
orientation and tightness of connections.
(6) Check for
loose
mountings,
hardware,
brackets,
and
so
on.
Tighten as needed.
ENSURE THAT THE CORRECT TYPES OF BOLTS OR SCREWS, STAR WASHERS, AND NUTS ARE
USED AND THAT THEY ARE PROPERLY ASSEMBLED. SEVERE ELECTRICAL HAZARDS EXIST
WHEN ITEMS OF EQUIPMENT ARE NOT PROPERLY INSTALLED AND GROUNDED.
(7) Check for bent or missing mounting guides and connector pins.
All unused jacks must have protective (dust) covers installed. Refer to TM
11-5820-923-12 for typical cabling diagrams that will help identify unused
jacks of a specific wheeled vehicle radio set.
(8) Check the cables for fraying, cuts, cracks, dry rot, or other
damage, and repair or replace as appropriate. Check for improperly routed
cables. Refer to an appropriate 2300-series installation manual for cable
routing instructions.
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