Lead Electrode; Screen Assembly - Teledyne 306WA Instruction Manual

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If electrode is discolored when new, or has obviously deteriorated
from use, it may be necessary to clean or replace the electrode. Use the
following procedure while referring to Figure 9.
If the lead electrode is simply discolored, clean the entire cell accord-
ing to the following procedure:
a) Heat a quart of Teledyne cleaning solution to slightly below the
b) Let the solution stand for approximately five minutes. Drain
c) Repeat steps a) and b).
d) Rinse the cell with distilled water and then fill with electrolyte.
e) Refill the cell with electrolyte, immersing the lower edge of the
If the lead electrode is obviously beyond repair, it must be replaced.
a) Remove the terminal nuts by removing them from the mounting
b) Carefully remove the screw which holds the screen assembly in
c) Cleanse the cell thoroughly in electrolyte solution.
d) Insert the new lead electrode in place in the cell body and
e) Carefully install screen assembly and secure with mounting
f) Immerse the cell assembly in hot cleaning solution and then
g) Install prepared cell assembly as described in section 4.2.3: Cell
The screen assembly will become discolored after prolonged use due
to contamination. When this occurs, and if the cell no longer displays
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5.5.2 Lead Electrode

5.5.2 Lead Electrode
5.5.2 Lead Electrode 5.5.2 Lead Electrode 5.5.2 Lead Electrode
boiling point, and completely fill the cell cavity with the heated
solution.
and dispose of solution.
Let stand for approximately two minutes and then drain and
dispose of electrolyte.
silver screens to about a 3/32 "
screws.
place. Remove the screen assembly. Use clean tweezers and do
not touch it with your fingers not touch it with your fingers. Avoid any possible not touch it with your fingers not touch it with your fingers not touch it with your fingers
contamination of the screen.
secure with lock washers and screws.
screw.
rinse in distilled water.
Installation Installation. Installation
Installation Installation

5.6 Screen Assembly

5.6 Screen Assembly 5.6 Screen Assembly
5.6 Screen Assembly 5.6 Screen Assembly
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3/32 " depth. 3/32 " 3/32 " 3/32 "
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4.2.3: Cell 4.2.3: Cell 4.2.3: Cell 4.2.3: Cell
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