Mindray Datascope AS 3000, Руководство по обслуживанию

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Functional Tests Periodic Maintenance
6 - 14 0070-10-0683 AS3000™ Service Manual
6.8.2 Pressure Regulator Checks
6.8.2.1 Proportional Valve Regulator
1. Open the gas cover panel.
2. Remove the drive pressure source from the AS3000 .
3. Disconnect the input hose from the Proportional Valve.
4. Connect a Digital Pressure Meter to the proportional valve input hose.
5. Reconnect the drive pressure source to the AS3000 .
6. Verify the pressure displayed on the Pressure Meter is between 23.9 and 26.8 psi.
7. Remove the drive pressure source from the AS3000 .
8. Remove the Pressure Meter and reconnect the input hose to the Proportional Valve.
9. Reconnect the drive pressure source to the AS3000 .
NOTE: If the proportional Valve Regulator is out of specification,
calibration is required.
FIGURE 6-10 The Proportional Valve Regulator
6.8.3 Gas Delivery System Tests
6.8.3.1 O
2
Flush Verification
1. Attach the Digital Flow Meter to the Common Fresh Gas Outlet.
2. Verify that the O
2
flush flow is between 35 to 50 L/min when pressing the O
2
flush valve.
Proportional valve input hose