9100c
3-22 M1207026
decrease. A pressure decrease large enough to see on the
gauge indicates an unacceptable leak.
APL valve 7. Test the APL valve:
• Fully close the APL valve (70 cm H
2
O).
• Set the total fresh gas flow to approximately 3 L/min and
make sure that the value on the inspiratory pressure gauge
does not exceed 85 cm H
2
O. Some pressure fluctuation is
normal.
• Fully open the APL valve (to the MIN position).
•Set O
2
flow to 3 L/min. Turn any other gases off.
• Make sure that the value on the inspiratory pressure gauge is
less than approximately 5 cm H
2
O.
• Push the O
2
flush button. Make sure that the value on the
inspiratory pressure gauge stays less than 10 cm H
2
O.
• Set the O
2
flow to zero and make sure that the value on the
inspiratory pressure gauge does not decrease below
0 cm H
2
O.
8. Remove your hand or the test plug from the patient connection.
9. Turn all flow controls fully clockwise (closed).
10. Set the system switch to Standby.
WARNING Make sure that there are no test plugs or other objects
caught in the breathing system.
M1207027 004 MANUAL−DOC, Technical Reference Manual, Technical Reference Manual for 9100c, English−default
Reproduced from the electronic master in MATRIX
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