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5.3.2.4 Adjust the Regulator of the Pipeline Gas Supply Inlet Assembly
Pull up the knob cover of the regulator. Turn the cover clockwise to increase pressure or
counterclockwise to decrease pressure, as shown below. Bleed the inside pressure of the
pipeline gas supply inlet assembly after each pressure adjustment is made. Then, turn on the
pipeline gas supply again. Observe the adjusted pressure through the test pressure gauge.
5.3.3 Anesthetic Gas Delivery System
The following table lists anesthetic gas delivery system related failures.
Failure description Possible cause Recommended action
The O2 flush button assembly
leaks.
Replace the seal on the O2 flush
button assembly or replace the O2
flush button assembly.
The system switch assembly
leaks.
Replace the seal on the system
switch assembly or replace the
systems switch assembly.
The vaporizer is installed
improperly, which results in
leak.
Re-install the vaporizer.
The seal between the
vaporizer manifold assembly
and the vaporizer is damaged.
Clean or replace the seal. The seal
should be replaced at least once
per year as required.
Leak
The seal between the
vaporizer manifold inside and
the connection or the rubber
plain washer between the
vaporizer manifold inside and
the spring is damaged or dirty.
Clean the sealing part or replace
the faulty seal and rubber plain
washer.
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