Thermo Scientific EASYpure 1164 Series Operation Manual And Parts List page 28

M S
AINTENANCE AND
Warning
Depressurize system prior to opening
cartridge access door.
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.
28
ERVICING
Depressurize the system by opening the
2.
draw-off valve, allowing water to drain until
no more flows from the valve.
3. Open the cartridge access door. Remove the
screws securing the EASYpure UV/UF cover.
4. Remove the cover by lifting it straight up.
5. Remove the filter and Luer fitting. Carefully
remove the front cover. Disconnect membrane
switch lead from the printed circuit board.
6. Remove the screw holding the cell-cable retain-
ing clip.
7. Disconnect the cell lead from the printed circuit
board and gently pull the cable out of the
EASYpure UV/UF frame.
8. Unscrew and remove the cell.
9. Disconnect the cell lead from the printed circuit
board and gently pull the cable out of the
EASYpure UV/UF frame.
10. Unscrew and remove the cell.
11. Carefully remove the O-ring before cleaning the
cell.
12. Wash the cell in a mild detergent solution or a
10% Hydrochloric or Sulfuric acid solution (fol-
low acid manufacturers warnings and recom-
mended handling procedures found on package
labels and Material Safety Data Sheets). This
may be done in an ultrasonic cleaner or with a
soft brush.
13. Thoroughly rinse the cell in deionized or distilled
water following the detergent or acid cleaning.
14. After cleaning, reinstall and check the o-ring on
cell; replace if necessary.
15. Reinstall the cell well and hand tighten. Reroute
the cable up through the housing and reconnect.