ENGINE AUTOMATIC FIRE EXTINGUISHING SYSTEM (AFES)
COMPONENTS - Continued
Remote Status Indicator
REMOTE STATUS INDICATOR (RSI)
The RSI is a red alarm light that warns personnel in the crew compartment of engine
overheat and fires.
The red RSI ENGINE FIRE warning lamp and the red FIRE ALARM lamp on the en-
gine T/A panel light at the same time.
The fire extinguishers consist of steel cylinders filled with HaIon and equipped with a
quick-release valve assembly.
AFES cylinders contain HaIon fire suppressant pressurized with dry nitrogen for use
on hydrocarbon fuel fires only.
The engine compartment has two fire extinguishers, One fire extinguisher interfaces
with the thermal detection system through the engine compartment T/A panel. It acti-
vates automatically when the thermal deteotion system senses an engine fire. The
second fire extinguisher is dedicated to the AFES/MDS. It is activated by pulling the
lanyard cable pull handle located on the outside of the vehicle near the drivers hatch.