Filter
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FILTER CARTRIDGE REPLACEMENT
CAUTION: Never remove sumps with water pres-
sure in the filter system.
1. Close the water supply shut-off valve (FIG. 1,
page 4) to the filter. Open the filtered water faucet
to relieve pressure in the system.
2. Turn the sump off of the filter head, to the left or
clockwise 1/4 turn. Be careful, the sump is full of wa-
ter. Do not lose the large o-ring seal.
FIG. 6
ca_ridge
S
o-ring
seal
TURN
SUMP
CLOCKWISE
TO REMOVE
Filter I
head
TURN
SUMP
COUNTER-
CLOCKWISE
TO TIGHTEN
Filter II
3. Be sure the inside of the sump is clean. Use hot,
soapy water and rinse thoroughly.
4. Remove the wrapper from the new filter cartridge
and insert the filter cartridge in the sump. Be sure the
two o-rings are towards the filter head.
Note: If you are installing two different types of filter
cartridges, be sure to install in filters I and II as the
guideline on page 3 shows.
5. Lightly lubricate the o- ring seal in the sump with
silicone grease or Vaseline. Be sure it is fully seated
in its groove.
6. Hold the sump up to the filter head aligning the
protrusion on the cartridge with the center hole in the
bottom of the head.
Note: If the sump will not tighten up to the head you
may have the cartridge in upside down. Take the car-
tridge out and check for correct orientation.
7. Turn (counterclockwise) the sump onto the filter
head 1/4 turn.
8. Repeat steps 2 through 7 at the other filter.
9. Open the filtered water faucet. Then, slowly open
the water supply valve and allow the filter housing
to fill.
10. Close the filtered water faucet. Check for leaks be-
tween the sump and the head.
11. Remove and replace batteries to reset counter and
timer.
Note: If leaking, turn off the water supply and open
the filtered water faucet to depressurize the filter.
Then disassemble the filter and check the o-ring for
cuts, flat spots, etc., and sealing surfaces for foreign
material. Clean the o-ring and lubricate with silicone
grease or Vaseline. Carefully press the o- ring into the
groove in the sump.
12. Taste and Odor Cartridges: A taste and odor car-
tridge contains activated carbon, a black powder.
When new, open the filtered water faucet and allow
fine, harmless carbon particles to purge from the car-
tridge. Close the faucet when you no longer see the
"fines" in the filtered water, or approximately 2-3
minutes.
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