Mindray WATO EX-55Pro, Service Manual

Page: 296 / 474

8-42
Test procedures:
I. O2 inlet assembly:
1. Switch off the gas source switch and switch on the O2 flush switch to release the
remaining pressure.
2. Disconnect pipeline 46 connecting to the EFCS flowmeter.
3. Connect the 1 MPa test pressure gauge to the pipeline 46 using the 3106-04-06 adapter
connector.
4. Switch on the pipeline O2 source and record the reading on the pressure gauge of the O2
pipeline. Observe the test pressure gauge. If the reading is not within the range from
0.15 MPa to 0.25 MPa (from 1.5 bar to 2.5 bar), adjust the regulator of the O2 inlet
assembly to enable the reading to reach 0.2 MPa (2 bar). For details about the regulator
operations, refer to section
8.4.2.4Adjusting the Regulator of the Pipeline Gas Supply
Inlet
.
5. Record the pressure reading of oxygen pipeline pressure gauge.
6. Switch off the gas source switch and switch on the O2 flush switch to release the
remaining pressure.
7. Reconnect pipeline 46.
8. Disconnect pipeline 39 that connects to the O2 inlet assembly and O2 pipeline pressure
gauge. Remove the end of the pipeline that connects to the O2 inlet assembly.
9. Connect the 1 MPa test pressure gauge to the outlet connecting to the O2 inlet assembly.