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

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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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Contents Table of Contents Important see safety warnings and cautions insideDealer and System Information Thank you…Safety Instructions Using this Manual …Service and Maintenance Safety Operational SafetyWinter Storage Other Safety PrecautionsPhoto Models MWF4200AWS and MWF4300AWS Certifications and TestingModel MWF4100AWS Legal Disclaimer ServiceTrademarks System Description Replacement PartsSanitizing Your Household Distribution System Maintenance ScheduleStartup of a new Maytag Whole Home Water Filtration System 4200 4100Model 4300 Required service Comments Every 6 mo Every 12 MoMWF4300AWS Drain the System for 1 minute Shut off waterRemove the cap and internal prefilter from the System CleaningStainless Steel PrefilterSoak 60 min Model Cleaning Chemical UsedRe-install Internal Fill and Flush for 30 min Replacing the External Sediment Prefilter CartridgeStopcock Page Base Controller Models MWF4100AWS and MWF4200AWS Setting the ControllerBase Controller Choosing a Controller ProgramAdvanced Controller Model MWF4300AWS Advanced Controller Winterization ProcedureNovember Drain line components for all models System Before Winter Freeze-up Inlet line components for MWF4300AWSNovember Spring startup and cleansing Prefilter November Frequently Asked Questions Annual Maintenance ChecklistCleaning the Stainless Steel Casing Does the System require electricity? Possible causes of low water pressure Problem SolutionDoes the System affect the water pressure? What can be done to increase my water pressure?How long does the automatic cleaning cycle take? What happens if the power goes out?What are the maintenance requirements? How much water is used for flushing?What happens if there is a boil water alert in my area? How long does the Carbon Prefilter last?Can it be shut down in winter? November Section Problem/Situation Correction/Action System TroubleshootingSection Problem/Situation Correction/Action System 41/6 34/9Pro-rated cost to the homeowner as a % Maytag Whole Home Water Filtration System Limited WarrantyFiltration System Warranty Schedule Suggested List November November
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