®
6 Circle System
© F. Stephan GmbH SA-103-0109V1.3-HAO-GB 21
6.1.5 Circle System
Check performance of inspiration- and expiration valve and contact
surfaces of the valves for damages
Check tapers and taper seats for damages
Check absorber for damages and tightness
Check performance of respiratory pressure gauge
Check setting values and performance of the Berner-valve
Check fresh-gas-feed for passage of flow and tightness
Check tube system, Y - piece and mask
In the course of semi-annual servicing, all packings and O-rings must
be exchanged.
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