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MOUNTED  WATER  RATION  HEATER  (MWRH)  MAINTENANCE
Features - TM-9-2350-287-10_342

TM-9-2350-287-10 Carrier Personnel Full Tracked Armored M113A3 2350-01-219-7577 (EIC AE7) Carrier Command Post Light Tracked M577A3 2350-01-369-6085 (EIC AE7) Manual
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TM 9-2350-287-10 CHAPTER 4 AUTOMATIC FIRE EXTINGUISHING SYSTEM (AFES) Section I. EQUIPMENT DESCRIPTION Characteristics The  Automatic  Fire  Extinguishing  System  (AFES)  is  an  automatic  electrical  system  that,  when  activated,  provides  fire extinguishing capability for the engine and crew compartments.  It consists of test and alarm  (T/A)  panels,  sensors,  and associated equipment explained later in this section and in Section III, Operating Instructions. Automatic electrical operation will automatically sense and discharge an agent to extinguish hydrocarbon fires. The crew system provides an automatic electrical second-shot capability should the fire continue burning or a second fire occur. Manual electrical operation must be  manually  activated  by  the  crew  to  discharge  the  agent  to  extinguish  fires.  The  crew system  second-shot  manual  electrical  activation  is  available  if  the  fire  continues  to  burn.  That  system  must  be  manually activated by a crew member. These  systems  will  not  activate  unless  the  crew/engine  T/A  panel  maintenance  switches  are  in  the  horizontal  AFES POWER ON normal operational position. Capabilities AFES Engine Compartment: • An  automatic  electrical  function  that  allows  detection  and  discharge  of  an  agent  to  extinguish  hydrocarbon fires. • A  manual  discharge  backup  to  the  electrical  function  that  enables  the  operator  to  electrically  discharge  an agent into the engine compartment when the automatic system does not function and fire is detected. AFES Crew Compartment: • An automatic electrical function that allows detection and discharge of an agent to extinguish hydrocarbon fires. There is a second-shot discharge capability for use after 5 seconds if another fire ignites that discharges a second set of fire extinguishers. • A manual electrical discharge function that enables the crew to electrically discharge an agent into the crew or engine compartment when the automatic electrical function fails to work and a fire is detected. • A manual electrical discharge capability that allows for a second-shot capability after 5 seconds if another fire ignites that discharges a second set of fire extinguishers. 4-1







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