Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task M. Airframe Fire Protection Systems

AM.II.M.S2

Skill

Determine proper container pressure for an installed fire extinguisher system.

Study note

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 - Powerplant p. 9-12
Chapter 9: Engine Fire Protection Systems › Fire Extinguisher System Maintenance Practices
and discharge valves, testing of discharge tubing for leakage, and electrical wiring…
Aviation Maintenance Technician Handbook - Powerplant p. 9-16
Chapter 9: Engine Fire Protection Systems › Boeing 777 Aircraft Fire Detection & Extinguishing System › Engine Fire Switches
Engine Fire Switches The engine fire panel is in the flight deck on the P8 aisle stand. The engine fire panel has a fire switch for each engine and a discharge light for each fire bottle. [Figure ... engine fire switch has four functions: Gives an indication of an engine fire, • Stops the engine, • Isolates the engine from the aircraft systems, and • Controls the engine fire extinguishing system. The fire switch assembly incorporates a solenoid that locks…
Aviation Maintenance Technician Handbook - Powerplant p. 9-16
Chapter 9: Engine Fire Protection Systems › Boeing 777 Aircraft Fire Detection & Extinguishing System › Engine Fire Operation
cutoff solenoid. • Closes the engine hydraulic pump shutoff valve. • Depressurizes the engine driven hydraulic pump valve. • Closes the pressure regulator and shutoff valve. • Removes power from thrust reverser isolation valve. • Trips the generator field. • Trips the backup generator field. [Figure ... Figure 9-24. Location of fire extinguishing bottles. Figure 9-25. Squib or cartridge. Figure 9-26. Fire switch. Engine Fire Operation If an engine has a fire, the engine fire detection system gives a fire warning in the flight…