Specifications

4. Remove the cover by lifting it straight up.
5. Remove the 0.2 micron final filter from the
draw-off valve. Carefully remove the front
cover screws and pull the cover off. Disconnect
membrane switch lead from the display printed
circuit board (see Fig. 14).
6. Disconnect the cell lead from the meter board
and gently pull the cable out of the EASYpure
II UV/UF frame. Note orientation.
7. Unscrew bushing and remove the cell (see Fig.
15).
8. Carefully remove and discard the o-ring before
cleaning the cell.
9. Wash the cell in a mild detergent solution fol-
lowed by a 10% Hydrochloric or 10% Sulfuric
acid solution (follow acid manufacturers warn-
ings and recommended handling procedures
found on package labels and Material Safety
Data Sheets). This may be done in an ultra-
sonic cleaner or with a soft brush.
10. Thoroughly rinse the cell in deionized or dis-
tilled water following the detergent and acid
cleaning.
11. After cleaning, reinstall with the replacement
o-ring on cell (part # GSX29).
12. Reinstall the cell and hand tighten (see Fig.
15). Reroute the cable up through the housing
and reconnect.
13. Reinstall membrane switch lead. While lifting
draw-off valve handle, replace the front cover
and secure with screws. Reinstall the 0.2
micron final filter.
14. Reinstall the EASYpure II UV/UF top cover.
15. Reattach the power cord and reconnect the
unit to the power supply.
16. Reconnect the water supply.
MAINTENANCE AND
SERVICING
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 manufacturer’s safety
instructions on labels of chemical con-
tainers and material safety data
sheets.
O-ring
Bushing
Cell
Figure 15: Removing Resistivity Cell
29