4 Preoperative Tests
1009-0307-000
4-7
•
If there is a leak, install a new cylinder gasket and tighten the tee
handle as shown in “How to install gas cylinders (high pressure leak
test)” of the section ‘1 Setup and Connections’ in Part 2 of this
manual.
•
Do this step again. If the leak continues, do not use the system.
11. Repeat steps 7 through 10 for all cylinders. N
2
O should not fall more than
100 psig in one minute.
12. Close cylinder valves.
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CAUTION
Do not leave gas cylinder valves open if the pipeline supply is in
use. Cylinder supplies could be depleted, leaving an insufficient
reserve supply in case of pipeline failure.
13. Connect the pipeline supplies.
14. Set the system switch to On.
15. Use this chart to check pipeline pressure:
16. Set the system switch to Standby.
Flow control tests
Important
•
Without O
2
monitoring, follow steps 1 through 13 of “Without O
2
monitoring.”
•
With O
2
monitoring, follow steps 1 through 13 of “With O
2
monitoring.”
Without O
2
monitoring
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WARNING
The Link system cannot replace an O
2
monitor. Sufficient O
2
in the
fresh gas may not prevent hypoxic mixtures in the breathing
circuit.
ANSI (USA and Intl.), Australian, Canadian, French, Japanese
345 kPa (50 psig)
ISO, Italian, Scandinavian, South African, Spanish, Swiss
414 kPa (60 psig)
Austrian, German
500 kPa (75 psig)
