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2. Close the valve on the oxygen cylinder
by turning it to the right.
3. In the case of variable or multistep pres-
sure reducers, set the flow to "0". This
will prevent pressure hammer in the fit-
tings when the oxygen cylinder is
opened again later.
Important: The pressure reducer is not a shut-
off valve. Even if it is completely closed, it is
still possible for a small quantity of oxygen to
escape. You should therefore always be sure
to close the oxygen cylinder valve after use.
5.4 Storage
If the pressure is not going be used for a con-
siderable length of time, we recommend the
following procedure:
1. Clean the pressure reducer (see "6. Hygi-
enic preparation " page 30).
2. Store the pressure reducer in a dry place.
Important
Be sure to observe the maintenance intervals
for stored units as well, as otherwise the unit
must not be used when removed from
storage.
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