INTERSPIRO Spiromatic 90U - Disconnecting the Breathing Valve; Donning the Apparatus

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ENGLISH
ATTENTION! WHEN PUSHING THE BREATHING VALVE IN PLACE, THE FINGERS SHOULD NOT BE POSITIONED ON THE
INTERNAL SPEECH DIAPHRAGM AS THIS CAN CAUSE DAMAGE TO IT.
ON AMBIENT AIR VERSION, CONNECT THE BREATHING VALVE WITH THE AMBIENT AIR HATCH CLOSED.
. Connect the breathing valve to the breathing hose.
DISCONNECTING THE BREATHING VALVE
. Loosen the hand screw on the external speech cone. Pull out the hand screw and
move the external speech cone upwards to release the breathing valve.
. Pull out the breathing valve from the face mask.
. Disconnect the breathing valve from the breathing hose.
 DONNING
. Loosen the shoulder straps and the waist belt and put on the apparatus.
. Place the neck strap over the head.
. Fasten waist belt buckle and tighten, ensuring the majority of the weight is carried
on the waist straps and not the shoulder straps.
. Adjust the shoulder straps and tuck in any loose straps.
. Switch o positive pressure, see section 2.
. Open the cylinder valve fully.
. Fit the face mask onto the head by rst inserting the chin and then pulling the
head harness over the head.
. Tighten the straps on the head harness, starting with the two at the bottom. Do
not overtighten the head harness.
FOR AMBIENT AIR VERSION:
A. Activate the positive pressure, see section 2.
FOR FIRST BREATH VERSION:
B. The positive pressure activates automatically.