components within junction box housing.
(1) Components for cleanliness.
c. Repair Precautions. Use standard maintenance
(2) Painted surfaces for deterioration or
practices and observe the following precautions:
(3) Screws for damage or corroded threads.
(1) Use exact replacements parts if possible; a
(4) Nuts and screw holes to insure they are not
part with the electrical value or function but
different physical size may cause trouble.
(5) Components for breaks. chips, or cracks.
(2) Soldering irons of less than 50 watts should be
(6) Moving parts for wear.
used to solder this equipment. Overheating of some
(7) Electrical wiring for fraying or other damage.
parts may cause damage.
(8) All attaching and mounting hardware for
5-10. Disassembly and Assembly
b. Cleaning. Use a mild solution of warm water and
Refer to figure C-1 to disassemble and assemble the
liquid soap to clean housing and cover parts. After
grid wire sensor for removal and installation of
cleaning rinse parts with cold water to remove any
tamper switches. Component locations, attaching
soap solution and dry thoroughly. Use a soft
parts, and installation kit components are illustrated
camel's-hair brush or vacuum cleaner with suitable
in figures C-1 and C-2.
attachment to remove accumulated dust from
Section V. DIRECT SUPPORT TESTING PROCEDURES
5-12. Performance Standards
This section contains a performance standard test
a. Test Equipment ATS 352B VOM or equivalent
procedure for use by direct support maintenance
voltohmmeter is required to perform the perfor-
personnel to determine whether the performance of
the repaired grid wire junction box is satisfactory for
b. Procedures. Refer to table 5-1.
a. Remove junction box cover.
b. Insert ohmmeter leads
through conduit enrty port
and connect between TB-5
a. Meter should indicate 2 ohms
a. Place junction box on work
bench wit with mounting
a. Meter should indicates more than
a. Raise junction box approx-
imately 3/16 inch.
a. Meter should indicate 2 ohm or
a. Place cover on junction box
without retaining screws.
a. Meter should indicate more than
a. Raise junction box cover
a. Disconnect ohmmeter leads.
b. Install cover and cover