Dräger Medical Fabius Tiro Technical & Service Manual page 272

PMS PROCEDURE (continued)
Lever Style APL Valve
8.9.4.3 Verify the fresh gas hose is connected to the breathing system.
8.9.4.4 Verify the APL valve is in the MAN position and set to 10 cmH2O.
8.9.4.5 Activate the flush to inflate the reservoir bag, then release.
8.9.4.6 Adjust the O2 and Air flows to 10 L/min. (20 L/min. total). Verify pressure remains
(✔)
between 8 and 12 cmH2O.
(✔) 8.9.4.7 Repeat Steps 8.9.4.4 thru 8.9.4.6
with the following settings, and
verify APL valve accuracy:
APL
Valve
Setting
30
50
8.9.5
Inhalation:
Spec (cm H2O)
Low High
27 33
45 55
8.9.4.8 Close the O2 and Air flow control valves.
8.9.4.9 Remove the digital manometer and associated test equipment from
the inspiratory & expiratory valve ports and bag terminal.
Inhalation and Exhalation Valves
8.9.5.1 Install test terminal on the 22 mm inspiratory connector.
8.9.5.2 Connect 0 - 250 cc flowmeter (S000081) with a test terminal as
shown, to the ventilator port of the breathing system.
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APPENDIX A
Rotary Knob Style APL Valve
Repeat Steps 8.9.4.4 thru 8.9.4.6 with the
following settings and verify APL Valve
accuracy:
APL
Valve
Setting Low
40
30
FABIUS TIRO
Spec (cm H2O)
High
34 46