Calibration and Verification tests
Operational Verification Procedure (OVP)
7-18
| FLIGHT 60 Service Manual
Circuit test
3. Replace the solenoid and perform the required calibrations (see 7.3 Test table).
7.2.8 Exhalation Valve Leak
To test the exhalation valve:
1. Set the ventilator to the following settings:
Rate
= 10
Ti
= 1.4
ACMV
VCV
= 1400
2. Set the High-Pressure alarm to 99 cmH
2
O.
3. Connect the ventilator to a test lung using a patient circuit. Use the following
settings for the lung:
C
= 20
Rp
= 20
4. Activate ventilation and continue for 15 breaths.
5. Verify that the pressure level is over 72 cmH
2
O. If pressure doesn’t get to 72
cmH
2
O, decrease the compliance or increase the resistance of the test lung. If
pressure becomes too high after changing compliance/resistance, reduce the set
volume from 1400 until achieving the required pressure level.
6. Check for air flow from the underside of the Exhalation Valve during inhalation; If
air flow is noticed there is a leak and the test fails.
If the test fails:
1. Replace the patient circuit. In case of a Flight60 DL replace the exhalation valve
diaphragm.
2. Repeat the following:
Pressure sensors calibration
Pressure relief calibration
Volume factor calibration
Circuit test
3. Replace the solenoid (see 4.19), and perform the required calibrations (see 7.3
Test table)
Summary of Contents for 60 DL
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