selector switch; secure by tightening the setscrew
tip. Inductive-type soldering irons or
(5) Position the line section assembly (17)
g u n s frequently have a voltage high
and gasket (18) on the case (32); secure with four
enough to damage the meter or diodes of
machine screws (16).
(1) Pull the electrical leads from components
of Line Section
of the case (32) through the opening in the center
of the gasket (18). Solder the electrical leads to
the line section assembly by the use of a nonin-
ductive-type soldering iron. Refer to figure 7-2 for
(1) Remove the four machine screws (12) that
hold each of the female BNC connectors (13) to
(2) Position the line section assembly (17) on
the line section assembly; remove the connectors.
the test set case; be careful not to pinch the in-
(2) Remove the four machine screws (14) that
terconnecting wires between the castings. Secure
secure the clamping block (15) to the back of the
the line section assembly and gasket (18) to the
line section assembly; remove the clamping block.
case with four machine screws (16).
(3) Remove the four machine screws (16) that
(3) Position the clamping block (15) on the
secure the line section assembly (17) to the case
back of the line section assembly; secure with four
(32); carefully separate the line section assembly
machine screws (14). One of the screws also
secures the chain (11) of the thumbscrew (10).
(4) Unsolder the electrical leads that connect
(4) Position the female BNC-type connectors
to the line section assembly. Remove the line
(13) on the top and bottom of the line section
section assembly and gasket (18).
assembly; secure each with four machine screws
Section IV. GENERAL SUPPORT TESTING PROCEDURES
each test in sequence. Do not vary the sequence.
For each step, you must perform all the actions
a. Testing procedures are prepared for use by
required in the Test equipment control settings
S i g n a l Field Maintenance Shops and Signal
a n d Equipment u n d e r test control settings
Service Organizations responsible for general
columns; t h e n perform each specific test
support maintenance of electronic equipment to
procedure and verify it against its performance
determine the acceptability of repaired electronic
equipment. These procedures set forth specific
requirements that repaired electronic equipment
7-10. Test Equipment, Tools, and Materials
must meet before you return it to the using
Test equipment, tools, materials, and other
organization. A summary of the performance
equipment r e q u i r e d to perform t h e testing
procedures are given in this section as follows:
b. Comply with the instructions preceding each
a. Test Equipment. Test equipment required is
chart before proceeding to the chart. Perform
Table 7-2. Test Equipment Required for
General Support Testing
National stock No.
Handset H-189/GR (or H-138/U).
Dummy Load, Electrical DA-75/U.
Cable Assembly, RF CG-1773A/U.
Adapter, Connector UG606/U.