13. Replace System Cap. Use Cap Wrench to tighten.
Ensure that the cap is properly tightened and that the
Fill and Flush for 30 min.
14.Partially open inlet ball valve slowly and watch for leaks. Water will begin to enter and pressurize the System. The air vent mounted on the cap is designed to allow air to enter and exit the System. The small black cap on the air vent should be loose at all times to permit the free flow of air. Once the System is full of water you will no longer hear air escaping from the air vent. Fully open the inlet ball valve.
15.Flush to drain using the controller for 5 minutes as described in Step 4. Open outlet ball valve. Turn on a high demand faucet in your house (ie. a bathtub tap) and flush the System to a drain for 30 minutes.
16.Wash hands thoroughly after maintenance work.
Replacing the External Sediment Prefilter Cartridge
All service and maintenance is to be performed by a MAYTAG Services Qualified Service Technician. Some tools/parts are available from MAYTAG. Wear clean waterproof gloves during this procedure.
When the water is being drawn from a lake or other surface water source, the MAYTAG Whole Home Water Filtration System is equipped with an External Sediment Filter. Not all Systems include this device.
Only a MAYTAG Services Qualified Service Technician may service the External Prefilter. For service, call the phone number at the front of this manual (page 2).
Failure to clean or replace the External Sediment Prefilter Cartridge may result in reduced household water pressure.
Photo 5. External Sediment Prefilter
MAYTAG Whole Home Water Filtration System Owners Manual
November 2003
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