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Caution
The cell electrodes are etched to
improve wetting characteristics. Do not
mechanically abrade or damage this
surface (i.e. do not clean with a wire
brush, sandpaper, etc.).
Do not immerse the entire cell assem-
bly in cleaning solution, only the elec-
trode portion.
Warning
Carefully follow manufacturerʼs safety
instructions on labels of chemical con-
tainers and material safety data
sheets.
M
5.
Remove the cover by lifting it straight up.
6.
Remove the 0.2 micron final filter. Carefully
remove the front cover screws and pull the
cover off. Disconnect membrane key leads
from the display board.
7.
Disconnect the cell lead from the meter board,
remove the EMI/RFI suppression filter and
gently pull the cable out of the EASYpure R
frame. Note orientation.
8.
Unscrew bushing behind cell cap and remove
the cell.
9.
Carefully remove and discard the o-ring before
cleaning the cell.
10. Wash the cell in a mild detergent solution fol-
lowed by a 10% Hydrochloric or 10% Sulfuric
acid solution (follow acid manufacturers
warnings and recommended handling
procedures found on package labels and
Material Safety Data Sheets). This may be
done in an ultrasonic cleaner or with a soft
brush.
11. Thoroughly rinse the cell in deionized or dis-
tilled water following the detergent and/or acid
cleaning.
12. After cleaning, reinstall with the replacement
o-ring on cell (part # GSX29).
13. Reinstall the cell and hand tighten. Reroute the
cable up through the housing, reinstall the
EMI/RFI suppression filter (loop wire 1 time
around filter) and reconnect cell lead to P1
connector on meter board.
14. Reinstall membrane key leads. While lifting
dispense handle, replace the front cover.
Reinstall the 0.2 micron final filter.
15. Reinstall the EASYpure R
S
AINTENANCE AND
ERVICING
D
top cover and
O
I
D
O
I
31
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