Maytag MWF4200AWS Technical Information download pdf (Page 110)

6-19

Step 1 – Isolate the MAYTAG Whole Home

Water Filtration System by closing the inlet and

outlet valves. The entire house without water

during this time.

Step 2 – Drain the System using the controller.

See section 5.4.7.3 for the base controller and

section 5.4.8.3 for the advanced controller

Step 3 – Wearing protective gloves, remove the

System Cap, using the Cap Wrench. Turn the

wrench in a counter-clockwise direction to loosen

it. (Use pressure gauges to ensure no System

pressure first.)

Step 4 – Wipe out the inside of the cap with a

clean, soft cloth and place on a clean surface.

Step 5 - Inspect the o-ring on the System for

damage or wear and wipe debris from the o-ring

using a clean, soft cloth.

Step 6 – If a replacement o-ring is necessary see

section 6.3.2.2 for o-ring replacement. If a

replacement o-ring is not necessary, re-grease the

o-ring if required.

Advanced

Controller

Base Controller

Bypass

Valve

Inlet

Valve

Outlet Valve

Inlet

Valve

Outlet Valve

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Maytag MWF4200AWS Technical Information Page 110