(e) Rotate the inspiratory time-limit control knob clockwise against its
stop and check for an inspirator lockout between 5 to 7 seconds thereafter.
(f) Push the reset button and adjust the inspiratory time control for 2.5
seconds. Recheck the position of the stop screw.
(g) Rotate the mode selector to SPONTANEOUS BREATHING ON and
rotate the expiratory flow gradient control to OFF.
(11) Low pressure alarm system.
(a) Decrease the source pressure on the calibration regulator from
50psi to a pressure at which the low pressure alarm sounds.
(b) Confirm 43psig is indicated on the gauge as the pressure drops
from the green wedge of the system-pressure gauge.
e. Reassembly. Turn the source gas off.
Ensure all test devices have been removed from the ventilator.
Install the combination back and side plate and secure with the 12
(3) Disconnect the ventilator from the calibration stand and attach it to the
Babybird stand for clinical usage. Calibration of the Babybird ventilator is now complete.
Section II. TROUBLESHOOTING AND REMOVAL AND REPLACEMENT
TROUBLESHOOTING THE VENTILATOR.
Use the procedures in Tables 2-16 through 2-19 to troubleshoot in the modes of
operation indicated in the table.