Mindray WATO EX-55Pro, Service Manual

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Test procedures:
1. Disable the system switch.
2. Remove the vaporizer.
3. Remove the PU tube 25 connecting the vaporizer support assembly. Disconnecting the
end connecting to the vaporizer support and block this end using the 3126-08-00 tube
plug.
4. Remove PU tube 55 connecting the vaporizer support assembly.Connect this end to the
negative pressure ball using a 3106-06-08 adapter connector.
5. Then, squeeze the negative pressure ball to exhaust all gas inside.
6. Release the negative pressure ball. If the negative pressure ball is completed expanded
within 30s, the rubber flat washer or the upper surface in contact with the mechanical
face is damaged. Handle this issue according to the fault locating table. If not, continue
the following test:
7. Remove the seal ring. Fix the test fixture of the vaporizer support to the connector of the
vaporizer support assembly (when fixing the test fixture, remove the seal ring between
the connector and the vaporizer).