Functional part with hood
21 Speech diaphragm
22 Anti-suffocation valve
23 Neck strap
24 Heat exchanger
When carrying the oxygen self-rescuer everyday, it can either be
hung over the shoulder or carried on a belt.
The oxygen self-rescuer can be stored in a fixed location on a wall
The following information is shown on the labelling field:
— Date of manufacture
— Serial number
— Order number
— Approval marking
— Testing standard
— Name of device
— Nominal holding time of device (see "Description" on page 8)
Before commissioning, the delivery date must be inscribed on the
labelling field. It is not allowed to use punch numbers for the inscrip-
tion. Dräger recommends engraving or etching.
Before first use, the operating company/user must ensure the follow-
ing (see European Directive 89/656/EEC):
— the fit must be perfect, e.g. to ensure an absolutely tight fit,
— the personal protective equipment must be compatible with all
other types of personal protection equipment worn at the same
time (e.g. protection jacket),
— the personal protective equipment must be suitable for the prevail-
ing workplace conditions.
— the personal protective equipment must be suitable for the ergo-
nomic requirements and the state of health of the person wearing
the breathing protection equipment.
The following work steps must be performed every day. If one of the
criteria mentioned below is not fulfilled, the oxygen self-rescuer must
be taken out of use or sent to Dräger for checking!
If the oxygen self-rescuer suffered unusual strain (blows, pressure,
etc.), the checks mentioned should be carried out immediately.
Check that the oxygen self-rescuer is complete.
Check that the seal is undamaged.
The seal must not have any stress whitening marks. Stress whit-
ening marks are an indication that the seal is damaged.
Check that the lid is closed.
Check that the opening mechanism is locked and undamaged.
The snap-fit must be engaged.
Check that the support ring is tight against the bottom cover of the
If the oxygen self-rescuer is worn with a shoulder belt, check that
the shoulder belt is locked onto the support ring.
Check that the seal is not damaged.
Ensure that the housing does not have any tears or holes.
Ensure that the bottom cover of the housing does not have any
dents deeper than 2 mm.
Check inspection window: If many yellow fragments, the same
size or larger than grains of sugar, can be shaken in the inspection
window area, the oxygen self-rescuer must be decommissioned.
An adhesive, thin yellow layer of particles is normal after years of
carrying and does not affect the function.
Make sure that the inspection window is not damaged.
Check if the moisture indica-
tor (1) is brown. If moisture
has penetrated into the oxy-
gen self-rescuer, the mois-
ture indicator changes from
brown to turquoise.
If the oxygen self-rescuer is
equipped with the optional
check that the heat indicator
(2) is light. The heat indica-
tor's colour will turn dark if
the device has been exposed to too much heat.
If the oxygen self-rescuer is used according to SANS 1737, make
sure that the impact protection is available and not damaged.
Using the Oxygen Self-Rescuer
— Regularly practise using the oxygen self-rescuer with a training
— Only open the oxygen self-rescuer when using it!
Otherwise moisture from the ambient air will flow into the open
oxygen self-rescuer and impair its function.
Open devices cannot be closed again. They are classed as used
and may not be stored. Instead, they must be disposed of (see
"Disposal" on page 12).
— Check the oxygen self-rescuer before each use/daily (see "Daily
— Use the oxygen self-rescuer only once.
Keep the oxygen self-rescuer away from combustible substances
(petrol, grease, solvents, etc.) before or during use to prevent pos-
sible risk of fire!
Destroying the oxygen self-rescuer can result in a possible risk of
ignition if the oxygen-abstracting chemical comes into contact with
combustible substances such as charcoal.
1) not CE-approved