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Medical Gas Supply System
6.12 Replace Sensor for Cylinder
Pressure.
Cylinder pressure sensor part number is 4109506200.
NOTE - Cylinder pressure sensor replacement can be
performed with the associated bank isolated, while
running on the opposite bank of the manifold.
NOTE - Figure 48 shows example of left bank replacement
unit, mirror to opposite side for working on the right
bank.
Figure 48 - Cylinder Pressure Sensor Replacement.
Cable
Connector
CAUTION! When exhausting anaesthetic and
oxygen manifolds ensure that the manifold room is well
ventilated and no potential ignition sources are present.
Following procedure describes process to service
cylinder pressure sensor. If necessary, sensor service
can be performed while manifold is in service. However,
this should only be done by qualified technicians
experienced in servicing medical equipment.
6.12.1 If the optional service mode is selected during
maintenance complete steps in 6.1.
6.12.2 Complete the steps in 6.3 to perform this
maintenance with one bank running. If total isolation is
preferred follow steps in 6.2.
6.12.3 Close all cylinders on the side of manifold
where the cylinder pressure sensor will be replaced.
Rotate the intermediate isolation valve on the same
side downstream the 1
stage regulator. Refer to figure 40.
Cylinder
Pressure
Sensor
stage regulator to isolate the 1
st
6.12.4 Vent pressure in the 1
isolated from last step by pressing the service relief
valve as shown in below figure.
Service Relief
Valve
NOTE - If the cylinder pressure gauge is not rapidly
dropping in pressure, stop draining the system and
check all cylinders are correctly isolated.
6.12.5 Disconnect the sensor connector.
6.12.6 Replace the new sensor which is shown in figure
48, and tighten the sensor screw fitting.
6.12.7 Connect the cable connector with the new
sensor.
6.12.8 Follow section 6.17 or 6.18 depending on
whether the maintenance was performed with total or
1 bank isolation to bring the manifold back online.
6.12.9 Verify the manifold operation.
st
43
stage regulator that is
st
4109992485.00
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