Dräger PSS BG 4 plus

Testing
Checking the Bypass Valve
1 Close the shut-off valve at the test unit.
on the rear:
2 Press the red button for the bypass valve slightly.
● Oxygen must be heard to flow into the circuit (flow noise).
3 The breathing bag inflates.
16221726.eps
1
3
10621507.eps
2
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Draeger Training 11/16 rev 1