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11. Before reinstalling the electrode, observe the inside of the reference
electrode cavity. When installed correctly, the electrode fits into the
narrower diameter area at the bottom of the cavity and sits on top of
the stop ring.
12. Follow the instructions below to reinstall the reference electrode in
the reference electrode cavity.
While installing the electrode, maintain all parts in a vertical
orientation, with the bottom of the electrode pointing down. This
avoids bubble formation and helps ensure correct centering of the
electrode inside the narrow area at the bottom of the cavity.
a. If you removed the reference electrode cylinder from the
b. Make sure the reference electrode is centered in the reference
Make
sure the
electrode is all the way
down inside the cavity
and not "hung up" on
the step between the
wider diameter area of
the cavity and the
narrower diameter
area.
c. While still keeping all parts in a vertical orientation, screw the
d. Connect the J2 connector to junction J2 on the electronics card
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electrode, reinstall it by feeding the electrode's cable connector
through the opening in the cylinder.
electrode cavity and then carefully insert the electrode until it
touches the stop ring at the bottom of the cavity (see Figure 5-6).
Figure 5-6. Installing the Reference Electrode
electrode cylinder into the cell body and tighten firmly with your
fingers. This ensures that the O-ring and O-ring retainer are fitted
all the way down inside the cavity and there is a good seal around
the electrode.
and verify that the white working electrode lead wire is connected
to junction J1 (see Figure 5-7).
5 • Service
5-7
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