culligan us-640 Manual Do Utilizador
Filter Cartridge Replacement
(A) (1) Turn off water supply to filter and place a tray or towel under the system to catch any water that spills during
removal of the filter cartridge. (2) Depress red pressure-relief button, then (3) unscrew and remove bottom of filter
housing (See Fig. A.)
housing (See Fig. A.)
NOTE: If turning off water supply to filter will also turn off water supply to the rest of the home, be sure to fill a bucket of
water first to allow you to clean housing after it has been removed.
(B) Locate and remove large O-ring (1), wipe clean of lubricant, and set aside. Discard used filter cartridge (2). Rinse out
water first to allow you to clean housing after it has been removed.
(B) Locate and remove large O-ring (1), wipe clean of lubricant, and set aside. Discard used filter cartridge (2). Rinse out
bottom of filter housing and fill
1
/
3
full with water. Add 2 tablespoons of bleach and scrub bottom of housing with
nonabrasive sponge or cloth. Rinse throughly. Lubricate O-ring with clean petroleum jelly (Vaseline®). Insert O-ring
in groove and press into place.
NOTE: This step is important to ensure a proper housing seal. Make certain the O-ring is seated level in the groove.
Insert new filter cartridge in bottom of housing. Cartridges with one gasket should be inserted with the gasketed end
toward the threads of the housing (gasketed end would point upwards if housing is mounted as shown in Fig. B).
in groove and press into place.
NOTE: This step is important to ensure a proper housing seal. Make certain the O-ring is seated level in the groove.
Insert new filter cartridge in bottom of housing. Cartridges with one gasket should be inserted with the gasketed end
toward the threads of the housing (gasketed end would point upwards if housing is mounted as shown in Fig. B).
(C) (1) Screw bottom of housing onto the cap and hand-tighten. DO NOT OVER-TIGHTEN. (2) Slowly turn on the water
supply to allow filter to fill with water, then (3) press the red pressure-relief button on top of filter to release trapped
air. Check for leaks before leaving installation.
air. Check for leaks before leaving installation.
NOTE:
• A drinking water cartridge may contain carbon fines (very fine black powder). After installation and before using the
• A drinking water cartridge may contain carbon fines (very fine black powder). After installation and before using the
filtered water, flush the cartridge by running water through it for 5 minutes to remove the fines.
• It is recommended that you run the tap at least 20 seconds prior to using water for drinking or cooking purposes.
Troubleshooting
Leaks:
…Between cap and bottom of filter housing
1. Turn off water supply and press the red pressure-relief button. Remove bottom of housing.
2. Clean O-ring and O-ring groove (located directly beneath threads of housing). Lubricate O-ring with silicone grease
…Between cap and bottom of filter housing
1. Turn off water supply and press the red pressure-relief button. Remove bottom of housing.
2. Clean O-ring and O-ring groove (located directly beneath threads of housing). Lubricate O-ring with silicone grease
and replace securely into groove. Screw bottom of housing onto cap and hand-tighten. DO NOT OVER-TIGHTEN.
…From quick-connect fittings
1. Turn off water supply and turn on faucet to release pressure in pipes. Remove tubing from fitting (see #8 under
1. Turn off water supply and turn on faucet to release pressure in pipes. Remove tubing from fitting (see #8 under
Installation) and make sure end of tubing is cut squarely and free of burrs. Reinsert tubing into quick-connect fittings,
making sure to push securely until tubing hits a hard stop.
making sure to push securely until tubing hits a hard stop.
2. Turn on water supply. If leaks persist, or if there are other leaks on system, turn off water supply. Call Technical
Support at 1-800-645-5426.
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2
B
1
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C
1
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