Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task G. Environmental Systems

AM.II.G.R1

Risk management

Oxygen system maintenance.

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 - Airframe p. 16-20
Chapter 16: Cabin Environmental Control Systems › Prevention of Oxygen Fires or Explosions › Oxygen System Inspection & Maintenance
Oxygen System Inspection & Maintenance When working around oxygen and oxygen systems, cleanliness enhances safety. Clean, grease-free hands, clothes, and tools are essential. A good practice is to use only tools dedicated for work on oxygen systems. There should ... stored in a designated, cool, ventilated area in the hangar away from petroleum products or heat sources. Oxygen system maintenance should not be accomplished until the valve on the oxygen supply cylinder is closed and pressure is released from…
Aviation Maintenance Technician Handbook - Airframe p. 16-18
Chapter 16: Cabin Environmental Control Systems › Oxygen System Servicing › Servicing Gaseous Oxygen
refill procedures, can also introduce water into the system. Always follow manufacturer’s instructions when performing maintenance, refilling, or purging an oxygen system. Cumulative condensation in an oxygen system cannot be entirely avoided. Purging is needed periodically. The procedure ... nitrogen, or dry air, to blow through lines and components when performing maintenance. However, a final purging with pure oxygen is required before the system is serviceable for use. It is important to ensure storage cylinders are refilled if they…