Maytag mwf4100aws Remove the cap and internal prefilter from the System, Cleaning, Prefilter

Remove the cap and internal prefilter from the System

5.After allowing the System to drain for 1 minute, remove the System cap using the cap wrench (not supplied, available from MAYTAG). To remove, turn counter-clockwise as indicated on the top of the cap.

Photo 4.

Cap Removal

6.Pull the internal prefilter straight up and out of the internal prefilter housing. The prefilter may be a Carbon Prefilter or a Stainless Steel Prefilter depending on your model. Place the prefilter in a clean pail or sink to allow draining. If you have a Carbon Prefilter, dispose in a plastic bag. If you have a Stainless Steel Prefilter, set it aside until step 9.

7.Wipe out inside of cap and filter chamber with a clean cloth.

8.Inspect System o-ring (located above the System threads for the System Cap) for any wear or damage. Very small nicks in the o-ring can result in leaks. If necessary replace o-ring and use a very small amount of NSF approved lube (available from your MAYTAG Qualified Dealer) to regrease the o-ring.

During this procedure, DO NOT open the Bypass Valves, as this will allow potentially contaminated water into the household distribution system. Contaminated water may lead to personal injury and/or death.

Cleaning the	9. If you have a Stainless Steel Prefilter, the outer surface of the Stainless
Stainless Steel	Steel Prefilter can be cleaned to remove accumulated grit or debris.
Prefilter	Use a brush to loosen solid material and rinse with clean water. It may
	be necessary to use water from a point in the system upstream of the
	System’s shutoff valve or an alternate water source for rinsing.

MAYTAG Whole Home Water Filtration System Owners Manual MA1-5

November 2003

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