OXYGEN AND EMERGENCY EQUIPMENT
May 06/2005
Flight Crew Operating Manual
Volume 2
REV 2
CSP 100-6
08-01-13
EMERGENCY EQUIPMENT (Cont)
PROTECTIVE BREATHING EQUIPMENT
Protective breathing equipment (PBE) is available for a crew member to use in fighting cabin fires. The PBE is designed
to protect the user’s eyes and respiratory system from the harmful atmosphere which may be generated by a cabin fire. The
PBE consists of a hood with a visor which is placed over the head and seals around the neck. An oxygen generating canister
provides breathing oxygen for the user. The PBEs are vacuum sealed in a bag and stored in a box behind the pilot’s station
and in the lavatory. The PBE is a throw-away unit that must be replaced whenever the vacuum seal is broken. It is imper-
ative that the vacuum seal be maintained since the oxygen-generating chemicals react with moisture.
Duration of oxygen production is nominally 15 minutes depending upon the work rate and size of the user. Useful life of a
sealed PBE is 10 years from the date of manufacture.
NORMAL OPERATION
Donning the PBE:
The PBE is mounted on the bulkhead behind the pilot’s seat. Some aircraft may
have a second portable carrier stowed in a cabinet in the cabin area.
1. Removing mask from container.
a.
To open the portable container, lift the single latch on the cover and lift.
Remove sealed bag from the container.
b.
On the mounted container, grasp the red access handle on the protective
container firmly and pull forcibly to disengage the cover. When the
cover is removed from the container, immediately drop it. (The vacuum
sealed bag does not need to be removed from the container to open.)
The packaged unit may be removed from the stowage container prior to
opening and carried to a remote location for use.
2. To remove the PBE from the vacuum sealed bag, locate the red I.D. tag and
pull sharply to tear open the vacuum sealed bag. Reach into the
opened vacuum-sealed bag and firmly grasp the PBE. Pull the PBE straight
out of the bag. If necessary hold the bag with the opposite hand.
A25-1064
A25-1031
Portable
Container
Mounted
Container
STEP 1
STEP 2
A25-1031
Volume 2
08-01-13
REV 2
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