5-38
5. Flatten the negative pressure ball to remove the gas inside. Then re-install the gas
outlet switch of the negative pressure ball properly. Connect the other end of the
negative pressure ball to the pulled-out tube through 3106-06-00 or 3106-04-06
adapter connector in turn, as shown below.
6. Release the negative pressure ball. If the negative pressure ball is fully expanded
within 30s during one of the three tests, it indicates that the O2-N2O cut-off valve
assembly is damaged. Handle this problem as described in the troubleshooting table.
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