Mindray WATO EX-55Pro, Service Manual

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8.4.2.4 Adjusting the Regulator of the Pipeline Gas Inlet Assembly
Unscrew the fastening nut at the top of the regulator. Rotate the valve stem clockwise to increase
the pressure or anticlockwise to decrease the pressure with an adjustment valve stem for inner
hexagon wrench, as shown in the figure below. Release the pressure in the pipeline gas inlet
assembly using the regulator calibration hose (PN0453-00-1216) each time you adjust the pressure.
Then, switch on the pipeline gas source again. Adjust the pressure to 200 kPa.
8.4.3 AG Transmission System
The following table lists the faults related to the AG transmission system.
Failure Description Possible Cause Recommended Action
Leakage
The O2 flush button assembly
is leaked. Replace the seal ring on the O2
flush button assembly or replace
the O2 flush button assembly.
The system switch assembly is
leaked. Replace the seal ring on the
system switch assembly or
replace the system switch
assembly.
The vaporizer installation is
incorrect, resulting in leakage. Install the vaporizer again.
The sealing part between the
vaporizer support element and
the vaporizer is damaged. Clean or replace the seal ring.
Replace the sealing part at least
once a year according to the
requirements.
The sealing part between the
internal of the vaporizer
support and the connector or
the rubber flat washer between
the internal of the vaporizer Clean the sealing part or replaced
the damaged sealing part and
rubber flat washer.
Adjustment valve stem
Fastening nut