TM 11-6625-2632-14-1
GENERAL
SUPPORT
MAINTENANCE
GENERAL
Section I.
5-1. Scope of
Maintenance
support maintenance are listed below. Repair parts
The maintenance duties of general support per-
and
special
tools
are
listed
in
TM
1 1 - 6 6 2 5 - 2 6 3 2 - 2 4 P - 1 , and the maintenance
sonnel are detailed in this chapter. The procedures
are presented in a logical order. Do not perform
E l e c t r o n i c Equipment
a. Took. Tool Kit,
any maintenance not specifically defined in this
b. Test Equipment.
calibrated after any parts in the detector, receiver,
or meter circuit have been replaced. After parts
(1) Radio Set AN/PRC-90 (NSN
maintenance duties of general support personnel
are outlined b e lO W. A W iring diagram of the test
The purpose of visual inspection is to locate faults
for resistor, inductor, and capacitor color code
without testing of components. Many faults m a y
markings.
be detected by sight, touch, or smell. All visual
signs should be analyzed to help localize the fault
to a particular part. Inspect the teat set carefully
for obvious defects. Inspection procedures are
assembly removal, para 5-8) will be required so
that the electronic components on the back of the
g. Replacement of components (pare 5-11).
panel can be examined. After correction of any
electronic component defects found by inspection,
5-2. Tools and Test Equipment Required
Tools and test equipment required for general
Test Procedure
Step No.
Performance Standard
1
Inspect all controls and mechanical assemblies for
Screws, bolts, and nuts must be tight, with none missing.
Ioose or missing screw, bolts, and nuts.
2
Inspect all metal parts and wiring for dirt, rust, and
Metal parts and wiring must be clean and free of rust and
corrosion.
corrosion.
3
Inspect for Ioose or missing parts, and cracked or
All parts must be intact, without cracks, with no loose con-
broken parts.
nections, and no parts missing.
4
Inspect for frayed or broken lnsulation, broken wires,
All wires must be securely soldered, with no breaks.
and bare wires or burned insulation.
There must be no bare wires, or burned or broken
insulation.
Inspect for shorted wires, or wires in contact with
5
There must be no shorted wires, and no wires in contact
metal parts of panel.
with metal parts of case.