Mindray Datascope AS 3000, Руководство по обслуживанию

Страница: 148 / 180

AS3000™ Service Manual 0070-10-0683 6 - 21
Periodic Maintenance Functional Tests
3. Select Continue to prompt to the Normal Screen.
FIGURE 6-21 Compliance Test Results
6.8.4.5 Manual Leak Test
NOTE: The Manual Leak Test detects smaller leaks than can be
detected in the Automatic Leak Test.
1. Ensure that the gas pressure for O
2
, N
2
O, and AIR are at 50 ±10 psi.
2. Power ON the AS3000 .
3. Attach a reusable-silicone-rubber breathing circuit to the Breathing System.
NOTE: For testing purposes always use a reusable breathing
circuit.
4. Tightly connect the Y-fitting on the breathing circuit to the test port.
5. Attach a breathing bag to the bag arm.
6. Set the APL Valve to the fully closed position ( 70 cmH
2
O).
7. Rotate the O
2
Flow Control Valve until 50 cmH
2
O pressure is observed on the Airway
Pressure Gauge.
8. Verify that the flow required to stabilize the pressure is less than 300 mL/min.