Invivo Millennia 3155A, Service Manual

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3-4
c. Remove oxygen adapter Keeper from rear of monitor using 9/64 inch allen wrench.
d. Unplug Anesthetic Oxygen Sensor Adapter Sub-Assembly from “WASTE GAS
EXHAUST” port on rear panel of monitor.
e. Plug new Anesthetic Oxygen Sensor Adapter Sub-Assembly (or old part if not being
replaced) into the “WASTE GAS EXHAUST” port on the rear panel of the monitor.
f. Reinstall Oxygen Adapter Keeper to rear of monitor using 9/64 inch allen wrench. (Ensure
Keeper “fingers” engage in and around machined groove in Oxygen Sensor Adapter
housing, and threaded port on Adapter Sub-Assembly is facing upwards.)
g. Screw replacement oxygen sensor into the threaded port on the Adapter Sub-Assembly.
(Hand tighten only.)
h. Plug Adapter Cable Assembly into top of disposable oxygen sensor.
3.8 HE61 Radio Antenna Removal/Replacement. Remove the optional HE61 radio antenna
as follows:
a. Unscrew Antenna HE61 from Telemetry Antenna Cable AC331.
b. Reverse the above step to install a replacement antenna.