67
System Checks
6. Connect the appropriate pipeline hose to the pipeline test shut-off valve
assembly, and then connect it to the hospital supply.
7. Turn the pipeline test shut-off valve “ON” to allow fl ow.
8. Verify that the appropriate gauge registers.
9. Wait 15 seconds for the system to pressurize and shut the pipeline test
shut-off valve off.
10. Disconnect the pipeline hose from the hospital supply and verify that the
appropriate digital gauge is still registering.
11. Verify that the pipeline gauge does not fall 50 kPa, half of a division in
three minutes.
Figure 17 - N
2
O Pipeline Gauge
12. If the leak test is passed, disconnect the pipeline test shut-off valve from
the machine and verify that the pipeline gauges value drops to zero.
13. Repeat steps 5-12 for all additional pipelines fi tted.
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