Section I. GENERAL
c. Discrepancy in Shipment Report (DISREP) (SF
361). Fill out and forward Discrepancy in Shipment
a. This manual describes Antenna AS-2731 GRC
Report (DISREP) (SF 361 as prescribed in AR 55-38
and covers its installation, operation, and operator's,
NAV'SUPINST4610.33B AFR75-18 MCO 4610.19C DL
organizational, and direct support maintenance. Detailed
functioning of the AS-2731 GRC is covered in the circuit
analysis chapter. Maintenance coverage is limited to
1-4. Destruction of Army Electronics
those procedures that do not require operation of the AS-
2731 GRC as part of a specific communication system.
Administrative Storage of the AS-2731 GRC will be
b. The AS-2731 GRC is always used as part of a
handled as follows. The requirements apply whether the
communication system. The information in this manual
antenna is stored as part of the vehicle, with an
supplements the information given for the AS-2731 GRC
associated radio, or stored alone.
in the technical manual for the radio set with which the
a. If the AS-2731/GRC is removed from the
AS-2731 GRC is used.
vehicle, the mounting hardware should be stowed in a
c. Antenna AS-2731 GRC is usually mounted on
small bag attached to the MX-9146 GRC. Apply a layer
vehicles. Mounting instructions will differ for the various
of graphite grease (item 2, app F) to the screw threads to
vehicles on which the AS-2731 GRC is installed. Refer
to SB 11 - 131 for the list of authorized vehicular radio
b. Before and after storage, perform the following:
sets and installation kits.
d. The basic issue items list appears in appendix
B, and the maintenance allocation chart appears in
(2) Perform quarterly PMSC (table 4-1).
Correct all deficiencies.
1-2. Index of Technical Publications
c. Store in dry, moisture-free area. Records and
Refer to the latest issue of DA Pam 310-4 to determine
reports shall be maintained as prescribed in TM 38-750
whether there are new editions, changes, or additional
for equipment in use.
publications pertaining to the equipment.
1-5.1. Reporting Equipment Improvement
1-3. Maintenance Forms, Records and
If your AS-2731 GRC needs improvement, let us know.
a. Reports of maintenance and Unsatisfactory
Send us an EIR. You, the user, are the only one who
can tell us what you don't like about your equipment. I,
Department of the Army forms and
et us know why you don't like the design. Tell us why a
procedures used for equipment maintenance will be
procedure is hard to perform. Put it on an SF 368
those prescribed by TM 38-750, The Army Maintenance
(Quality Deficiency Report). Mail it to Commander, US
b. Report of Packaging and Handling Deficiencies. Fill
Monmouth ATTN: DRSEI, -ME-MQ, Fort Monmouth,
out and forward SF 364 (Report of Discrepancy (ROD))
as prescribed in AR
We'll send you a reply.
NAVNMATINST4355.73 AFR 400-54 MICO 4430.3E.
Section II. DESCRIPTION AND DATA
assembly that provides for transmission and reception of
1-6. Purpose and Use
radio signals between 30 and 80 megaHertz (MHz).
a. Purpose. Antenna AS-2731 GRC (fig. 1-1) is
b. Use. Antenna AS-2731 GRC is used with AN
an omnidirectional vertically polarized whip antenna