NAVELEX EE 181-AA-OMI-110/E121 C-9412
DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS. No special tools are required
for the Control Unit, Alarm Set.
REPAIR PARTS. Repair parts are listed and
illustrated in the repair parts and special tools list
covering direct and general support maintenance for this
equipment in appendix C of this manual.
Section II. TROUBLESHOOTING
This section contains troubleshooting
information for locating and correcting most
Of the operating troubles which may
develop in the Control Unit. Each
malfunction for an individual component,
unit, or system is followed by a list of tests
or inspections which will help you to
determine corrective actions to take. You
should perform the test/inspections in the
corrective actions column in the order
This manual cannot list all malfunctions that
may occur, nor all tests or inspections and
corrective actions. If a malfunction is not
listed or is not corrected by listed corrective
actions, notify your supervisor.
Before you use table 5-2, be sure you
have performed all applicable operating
The table lists the common malfunctions
which you may find during the operation or
maintenance of the Control Unit or its
components. You should perform the
test/inspections in the corrective actions
column in the order listed.
Check all available information on the
Make a visual inspection of the equipment.
Inspect the equipment for evidence of
Inspect the terminal strips for clean
and secure connections.
Inspect all wiring and cabling for worn
or frayed insulation and broken wires.
Inspect all resistors for discoloration
due to overheating.
Inspect the complete subsystem for
the presence of dirt, corrosion,
moisture, and bits of wire or solder
inside the housings.
Touchup paint is recommended instead of
refinishing whenever practical.
Inspect all metal surfaces intended to
be painted for condition of finish and
legibility of panel lettering.