M43 and Alarm Unit, Chemical Agent Automatic Equipment maintenance forms and procedures for Alarm, M42. The M43 detector unit and M42 alarm their use are prescribed in TM 38-750.

An M42 alarm unit is issued as a component of each M8 or M8A1 automatic chemical agent alarm. To augment the remote warning capability of each detector unit, additional M42 alarm units maybe authorized and issued by line item number. Description: The M42 alarm unit consists of a metal housing and panel assembly.

2005年3月22日 · This technical manual provides operator and maintenance instructions for the M22 Chemical Agent Automatic Alarm, the M28 Power Supply, the M281 Mounting Kit, and the ABCA-M42 Alarm Unit. It includes repair parts and special tool information.

The M8A1 Automatic Chemical Agent Alarm system consists of the M43A1 Detector unit, the M42 Alarm unit, and various power supplies. This system is designed to detect only a narrow spectrum of chemical nerve agent vapor or inhalable aerosol (i.e., G series and VX nerve agents); it does not detect riot control, blister, or blood agents.

Alarm Unit, Chemical Agent Automatic Alarm: M42 Alarm. Powered by STGnet. Published 2021-02-10 by USDoD (United States Department of Defense).

the M42 alarm unit (fig. 2-3) is connected to the. in turn, triggers the loudspeaker (LS1) through. REMOTE binding posts of the M43 detector unit, the. switch (S1) and lights the ALARM RED indicator. M42 alarm unit will also be triggered into providing a (DS1). warning. NOTE: 1. ALL RESISTANCE VALUES IN OHMS. 2. ALL CAPACITANCE VALUES IN UUF. 2-3.

Section V. M42 ALARM UNIT. 3-15. General. CAUTION. Observe battery polarity as shown on label. The operator is authorized to replace batteries in. inside battery retainer. the M42 alarm unit. (1) Install four BA3030 batteries in battery re-3-16. Batteries. tainer (9), close hinged cover, and secure it with.

Agent Automatic Alarm, M81. c. Purpose of Equipment: Used with M43A1 Detector, part of the M8Al Automatic Chemical Agent Alarm, the Simulator allows training personnel to simulate

MIL-A-51384B (NOTICE-2), DETAIL SPECIFICATION: ALARM UNIT, CHEMICAL AGENT AUTOMATIC ALARM: ABCA-M42 (29-JUL-2004) [S/S BY MIL-DTL-51384 (CONTROLLED DISTRIBUTION DOCUMENT (DIST. STATEMENT \"C\")]

Section IX. M42 ALARM UNIT TROUBLESHOOTING Disassembly - TM-3-6665-302-340039 Figure 3-25. M42 alarm unit, exploded view Figure 3-26. Panel assembly, exploded view. Binding Posts Battery Retainer Assembly Chapter 4. GENERAL SUPPORT MAINTENANCE Gear Assembly Ball Bearings Figure 4-1. Gear assembly alinement. Section Il. …