TM 11-5826-225-35
CHAPTER 4
GENERAL SUPPORT AND DEPOT INSPECTION PROCEDURES
Section 1. GENERAL SUPPORT
4-1. General
a. Test procedures are prepared for use by
Signal field maintenance shops and Signal serv-
ice organizations responsible for general sup-
port maintenance of electronic equipment to
determine the acceptability of repaired elec-
tronic equipment. These procedures set forth
specific requirements that repaired electronic
equipment must meet before it is returned to
the using organization. The test procedures
may also be used as guide for the testing
4-3. Test Facilities
of equipment that has been repaired at direct
A dc power source of + 27.5 volts capable of
support maintenance if the proper tools and
supplying a current of 2 amperes is required
test equipments are available. A summary of
to furnish the operating voltages for the re-
the performance standards is given in para-
ceiver through Test Set, Direction Finder Set
graph 4-19.
AN/ARM-93. The negative side of the dc
b. Comply with the instructions preceding
power source shall be grounded. If a battery
the body of each chart before proceeding to
eliminator is used, the peak ac ripple voltage
the chart. Perform each test in sequence. DO
shall not exceed 1.4 volt rms. Unless other-
not vary the sequence, For each step, per-
wise specified, all test procedures shall be per-
form all the actions required in the Test equip-
formed under the following conditions:
ment control settings and Equipment under
a. Test Requirements. With the exception of
test control settings columns; then perform
physical tests, all performance tests are to be
each specific test procedure and verify it
conducted with the receiver connected to, and `
against its performance standard.
or the inverter and control unit installed in,
Test Set, Direction Finder Set AN/ARM-93 as
4-2. Test Equipment, Tools, and Materials
shown in the illustrations associated with the
Required
following charts.
a. Test Equipment.
b. External RF Interference. Radiated elec-
Nomenclature
Federal Stock No.
Technical Manual
tromagnetic fields in the test area shall not
exceed 10,000 microvolt per meter in the fre-
Test Set, Direction
TM 11-6625-821-12
Finder Set
quency range of 100 kc to 3,000 kc.
AN/ARM-93.
RF Signal Genera.
TM 11-5551
4-4. Modification Work Orders
tor AN/URM-25
( ).
The performance standards listed in the tests
TM 11-5527
TS-352/U.
assumption that applicable modification work
Headset, 600-ohms
orders have been performed.
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