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Page Title:
Chapter 7. General Support Testing Procedures |
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  TM 11-6625-524-14-2
GENERAL
SUPPORT
TESTING
PROCEDURES
Table 7-1. Test Equipment
a. Testing Procedures. The testing procedures
Technical manual
Test equipment
are prepared for use by Electronic Field Main-
tenance
Shops and
E l e c t r o n i c Service
Oscillator AN/URM-127
T. O. 33A1-8176
Organizations responsible for general support
Oscilloscope AN/USM-281
TM 11-6625-1703-15
maintenance of electronic equipment to determine
Variable Transformer CN-16B/U
the acceptability of repaired equipment. These
Voltmeter ME-30B/U
Adapter. Millivac So. 900-2100
procedures set forth specific requirements that
Cable Assembly. RF CG-409H
repaired equipment must meet before it is
/U (2 ea)
returned to the using organization.
b. Preliminary Instructions. Follow the in-
s t r u c t i o n s preceding each procedure before
proceeding to the procedure. Perform each step in
a. Test Equipment.
sequence. Do not vary the sequence.
(1) Oscilloscope AN/USM-281.
(2) Variable Transformer CN-16B/U.
(3) Voltmeter ME-30B/U.
The test equipment required for general support
testing is shown in table 7-1.
(3) On the UUT, turn the LINE switch to
b. Test Connections. Connect the unit under
ON.
test (UUT) to the CN-16B/U which is connected
(4) Connect the ME-30B/U to 3A1TP1 and
to a 115-volt, 60-Hz source.
3A1TP2 on the UUT (3A1TP2 is the negative
c. Procedure.
side).
(1) Turn the range selector switch on the
(5) Adjust 3A1R13 until the ME-30B/U
UUT to the 3 VOLTS range.
reads 14.5-volt dc.
( 2 ) Using the ME-30B/U, measure the
(6) Connect the ME-30B/U from 3A1TP2 to
voltage and adjust the CN-16B/U for a 115-volt
chassis. A reading of - 8.6-volt ± 5 percent
output .
should be obtained.
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