Manual Version 19 / 01-2019 II Page 26 of 44
SF2 ECCR OPERATION MANUAL
5.6 Assembly Loop
WARNING
The loop determines the circuit of the device. Therefore
it is especially important to assemble this properly. Incorrect
assembly can cause serious accidents
1. Valve holder on exhalation side. The directional membrane is carefully mounted as
shown in the middle picture. 2. Valve holder, inhalation side. The directional membrane is
carefully mounted as shown in the middle picture. Then the valve supports are inserted
into the mouthpiece. Exhalation side left / inhalation side right. (Logo position on the
mouthpiece as in the photos)
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