9 Anesthetic Gas Module Maintaining the Anesthetic Gas Module
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Pull out the two seals from the tubing connectors of the manifold using pointed tweezers; slide one
side of the tweezers between the seal and the connector, then grasp and pull.
Replacement
To replace the Nafion® tubing, filters and manifold seals (refer to Figure 41):
1 Take a new seal in the tweezers and press it onto the fitting in the tubing connector. Push down on
the seal using the handle of the tweezers (or another blunt instrument), taking care not to damage
the seal, until it sits properly. Repeat with the second seal.
2 Screw the watertrap manifold onto the protector through the holes in the front cover.
3 Replace the Nafion tubing connection to the watertrap manifold. Take care to attach the tubing
with the red mark at the end to the connector with the red marking (this indicates the “drainage”
path). The gap between the end of the nafion tubing and the manifold connectors (visible through
the purple connector tubing) must be less than 1mm.
4 Replace the Nafion tubing connection to the metal bracket. Screw on the bacterial filters, again
matching the red markings.
5 Attach the cable clamps to the Nafion tubing (if not already attached) and screw the cable clamps
onto the main PC board.
Room-Air Filter
Figure 42 Removing and Replacing the Room-Air Filter
Removal
To remove the room-air filter (refer to Figure 42):
1 Using a cross-tipped screwdriver, remove the screw and washer (1) securing the room-air filter’s
mounting bracket.
2 Remove the pneumatic tubing (2) from the underside of the room-air filter.
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