Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task E. Engine Fire Protection Systems

AM.III.E.R1

Risk management

Container discharge cartridges.

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - Airframe p. 17-19
Chapter 17: Fire Protection Systems › Fire Extinguisher System Maintenance › Discharge Cartridges
maximum and minimum gauge readings. If the pressure does not fall within the graph limits, the extinguisher container is replaced. Discharge Cartridges The service life of fire extinguisher discharge cartridges is determined from the manufacturer’s date stamp, which ... unexpired service life of a discharge cartridge, it is usually necessary to remove the electrical leads and discharge line from the plug body, which can then be removed from the extinguisher container…
Aviation Maintenance Technician Handbook - Powerplant p. 9-12
Chapter 9: Engine Fire Protection Systems › Fire Extinguisher System Maintenance Practices
remove the electrical leads and discharge line from the plug body, which can then be removed from the extinguisher container. Figure 9-18. Fire extinguisher container pressure-temperature chart. Be careful when replacing cartridge and discharge valves. Most new extinguisher ... containers are supplied with their cartridge and discharge valve disassembled. Before installation on the aircraft, properly assemble the cartridge in the discharge valve and connect the valve to the container, usually by means of a swivel nut that tightens against…
Aviation Maintenance Technician Handbook - Airframe p. 17-20
Chapter 17: Fire Protection Systems › Fire Prevention › Agent Containers
Fire extinguisher container pressure-temperature chart. Agent Containers Care must be taken in the replacement of cartridge and discharge valves. Most new extinguisher containers are supplied with their cartridge and discharge valve disassembled. Before installation on the aircraft, the cartridge ... valve and the valve connected to the container, usually by means of a swivel nut that tightens against a packing ring gasket. [Figure 17-30] If a cartridge is removed from a discharge valve for any reason, it should…