NAVELEX EE181-AA-OMI-06A/E121 SA-1955
Section I. GENERAL
1-5. QUALITY ASSURANCE/QUALITY CONTROL.
1-1. SCOPE. This manual is for your use in oper-
There are no Quality Assurance/Quality Control
ating and maintaining the Balanced Magnetic Switch
technical manuals applicable to this equipment.
(BMS) Model SA-1955/FSS-9(V) in its operational
environment. The BMS is an integral part of the Joint-
Services Interior Intrusion Detection System (J-SIIDS).
1-6. REPORTING EQUIPMENT IMPROVEMENT
For information on the major assemblies of J-SIIDS,
RECOMMENDATIONS (EIR). EIR's will be prepared on
refer to the applicable manuals listed in appendix A.
Standard Form 368, Quality Deficiency Report.
1-2. MAINTENANCE FORMS AND RECORDS.
Instructions for preparing EIR's are provided in DA
Equipment maintenance forms and procedures for their
Pamphlet 738-750. EIR's should be mailed directly to
use are contained in DA Pamphlet 738-750, The Army
Commander, U.S. Army Troop Support Command,
Maintenance Management System (TAMMS).
ATTN: AMSTR-QX, 4300 Goodfellow Blvd., St. Louis,
1-3. ADMINISTRATIVE STORAGE. Instructions for
Missouri 63120-1798. A reply will be furnished directly to
administrative storage are contained in TM 740-90-1.
1-4. DESTRUCTION OF ARMY MATERIEL TO
PREVENT ENEMY USE. Instructions for the des
(ESC). This equipment is not covered by an ESC.
truction of Army materiel to prevent enemy use are
contained in TM 750-244-3.
Section II. DESCRIPTION AND DATA
cover (fig. 1-2, view A) and one inside the alarm switch
1-8. DESCRIPTION. The BMS (fig. 1-1) consists of
box (fig. 1-2, view B).
two major components: a Magnetic Switch Assembly
and an Actuating Magnet Assembly. The Magnetic
Switch Assembly consists of a housing which contains a
printed circuit board (PC board) on which are mounted a
biasing magnet, a reed witch, a tamper alum switch
(TAS), and a terminal strip. The Actuating Magnet
Assembly is a housing containing two magnets.
Weight ...................................... 14 ounces (0.4 kg)
1-9. TABULATED DATA
Height ................................. 1.68 inches (4.3 cm)
There are two identification plates on
Width .................................. 2.50 inches (6.4 cm)
the alarm switch assembly. One is located inside the
Change 1 1-1