Introduction: How to Safely Operate the Emergency Passenger Oxygen Sustem (EPOS)

The EPOS is a vacuum-sealed, self-contained, protective breathing device typically used by aircraft passengers in emergency situations. It provides oxygen during aircraft decompression and when smoke or toxic fumes are present to aid in exiting oxygen deficient smoke filled cabins.

Components:

  1. Hood; Incorporates multiple layers of Kapton and Teflon film, which offer heat and flame resistance to 1,832 degrees F, ease of communication, tear resistance and durability.
  2. Oxygen Cylinder; one 18 liter aviator grade oxygen cylinder.
  3. Carbon Dioxide Controller; Lithium hydroxide panels mounted inside the hood keep carbon dioxide levels at 4% or less.
  4. Neck Seal; seals the device in order to receive maximum benefit
  5. Barrier Pouch
  6. Storage Pouch

Step 1: Step 1

Pull the red tab to open the storage pouch and remove the barrier pouch. Now open the barrier pouch and remove the mask.

Step 2: Step 2

Pull apart the mask at the bottom and ensure nothing will obstruct you when donning.

Step 3: Step 3

Next, place both hands inside the rubber neck seal and pull your hands away from each other.

Step 4: Step 4

With your hands pulling the rubber seal open, pull the device over your head and the seal down to your neck.

Note: Be sure there is no hair or garments in the way of the neck seal; this could impede the flow of oxygen.

Step 5: Step 5

Warning: During activation, grasp the body, large round end of the oxygen cylinder. Failure to do so will restrict the metal tab from opening and activating the oxygen system. The EPOS will not function without the removal of the metal tab. If the red knob separates, grasp the lanyard to pull the metal tab off the cylinder and then proceed to use the EPOS as directed. Failure to activate the flow of oxygen will reduce the level of oxygen inside the hood and will result in suffocation and death.

Comments

author
DIY Hacks and How Tos (author)2016-10-06

It is really interesting to see the difference between military versions and commercial civilian versions.

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