Culligan Water Tower - Manual (Page 11)

9
3. Check product water storage tank air pre-charge using low-pressure gauge (PN
34002024). Air valve is located on tank base. Pre-charge should be 55 kPa (8 psig)
with tank empty and tank valve open.
Note: Use hand pump to avoid damaging tank. Verify product water faucet is open
before proceeding. Use caution when working with/inside enclosure. Wiring therein
connects monitor components. If wires, circuit board, or connections are damaged
and/or wetted, monitor will not function.
Item callouts refer to Figure 5 unless otherwise noted.
4. Remove enclosure front panel by pressing in push-in tabs and pull cover back.
(Figure 4)
FIG. 4
5. Remove each filter housing (Item 30) by turning it counter-clockwise. Remove each
filter cartridge (Figure 5).
a. Discard sediment (Item 7) and carbon (Item 8) cartridges
b. Examine membrane (Item 9). If it is performing satisfactorily, proceed to Step 6.
If it is depleted or fouled, discard it and proceed to Step 8.
Note: Wear gloves whenever cleaning/sanitizing system or handling new filter/
membrane cartridges.
6. Clean membrane outer wrap with washcloth and cleaning solution. Do not immerse
membrane in solution. Do not scrub wrap with abrasive cleaners. Rinse membrane
well with clean potable water.
7. Place membrane into clean plastic bag, close bag.
8. Remove filter housing O-rings and wash them with cleaning solution. Rinse them
well with clean potable water. Inspect them for damage such as nicks or scratches.
Replace damaged O-rings.