DuPont WFDW120009W Instruction Manual download pdf (Page 10)

Universal Drinking Water Series

V4.2

Filter Cartridge Replacement

STEP

Remove the Used Filter Cartridge

1 Turn off the cold water supply to the existing kitchen sink.

NOTE: If uncertain about which line supplies the cold water, turn on the hot water to the faucet. Allow the water to heat up and carefully

feel the pipes under the sink. The pipe that remains cool to the touch is the cold water supply.

2 Turn on the cold water faucet on the kitchen sink to release pressure and allow water to completely drain from the line.

3 Use the Filter Housing Wrench G to unscrew the housing.

NOTE: Use a pan or bucket to catch any water in the housing.

4 Pour out the water in the Filter Housing and remove the used Filter Cartridge B .

STEP

Clean the Filter System

NOTE: Have a pan or bucket handy to rinse out the Filter Housing.

1 Rinse out the bottom of the Filter Housing.

2 Wash the Filter Housing with mild soap and water. Do not use harsh cleansers or hot water.

3 Rinse the Filter Housing with clean water to remove all bleach.

4 Remove the Filter O-Ring C in the top of the Filter Housing and wipe clean.

5 Use silicone grease (food grade) to lubricate the Filter O-Ring.

6 Place the Filter O-Ring back in the grooves of the Filter Housing.

NOTE: Make sure that the O-Ring is seated properly in the groove to ensure a good seal.

STEP

Add New Filter Cartridge and Test System

1 Insert the new Filter Cartridge over the standpipe in the bottom of the Filter Housing.

2 Screw the Filter Housing back onto the System Head and hand-tighten. Using the Filter Housing Wrench, tighten 1/4 turn.

NOTE: Do not over tighten.

3 Check for any leaks before proceeding.

4 Turn on the cold water shut-off valve and turn on the faucet. Flush the system for 10 minutes.

WFDW130009W

STEP

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DuPont WFDW120009W Instruction Manual Page 10