Kenmore 625.3888 Rotary Valve Service, Lieve Pressure, Disassembly, Servicing the Valve, Assembly

Page 26

[i!i !! _;_ !! _;_ !! _;_ !! _;SECTION 5

SERVICE TECH. INFORMATION

B. ROTARY VALVE SERVICE

Before working on the valve, turn off the water sup-

ply and disconnect from electrical power. TO RE-

LIEVE PRESSURE:

•3 VALVE BYPASS: Close the inlet valve and open a soft water faucet. Then close the outlet valve and

open the bypass valve.

• SEARS SPECIAL BYPASS: Slide the bypass valve

stem to bypass position. Loosen three hex head

screws toward the back side of the valve to allow

pressure water to bleed out. Catch water with a rag.

DISASSEMBLY

To remove a part or group of parts, refer to the valve

drawing. A common screwdriver or nut driver,

Phillips screwdriver and pliers are the only tools

needed to completely disassemble.

SERVICING THE VALVE

Inspect all o-rings, seals and gaskets for wear or de- fects.

Inspect the bottom surface of the rotor for scratches, chips or wear.

Note:

If replacement is needed, be sure to use the current

replacement part.

ASSEMBLY

Be sure all parts are in place and in the proper posi-

tion. Lubricate ALL o-rings and seals with FDA ap- proved silicone grease. To install the rotor seal, first

place the seal into the valve groove, rounded side

down (see cross-section). Apply a light coating of silicone grease to the seal's crossing ribs. Then, care- fully center the wear strip on the seal, and push it

downward onto the seal.

Install the nozzle and venturi seal and drain seal.

Assemble wave washer bearing, the wave washer, and two o-rings onto the rotor top shaft. Then center the rotor in the valve body, on the rotor seal.

criss-cross pattern. If a torque wrench is available, torque to 30-40 inch pounds.

Install bearing onto gear shaft. Install motor plate and tighten screws to a snug fit. See page 6- 5 for de- tailed schematic.

Lubricate the gear on the motor, and the valve cam

gear with Molykote grease, or other high quality gear lubricant.

Be sure to orient switch as shown, with lever toward the cam.

motor mounting

T_._._ -/screws

mc°te°rplate//motor

plastic bearing

cam & gear "'_ 1

switch

seal

rotor

 

 

rotor seal

drain seal

nozzle & venturi seal

sensor

housing

Lower the cover onto the valve body and rotor shaft. Then install the cover holding screws. Before tight- ening the screws, install the valve cam and gear.

see

l_rbiene support

Then, turn the rotor (clockwise only) to service posi-

tion. Tighten the valve assembly screws using a

assembly

service,

page3-2

5-5

Problems, Questions? Call 1- 800- 426- 9345 Kenmore Water Line

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Contents Owners Manual Save this ManualFull TEN Year Warranty Against Leaks Full ONE Year Warranty on Water SoftenerFull Three Year Electronics Warranty Sears Residential Water SoftenerCare of Your Water Softener Water Softener Start UPSafety Guides Water Softener Start UPTo are Check List of STEP-BY-STEP Guides to InstallManual unless otherwise noted Unless OtherwiseSET Present Time of DAY Program the TimerSET Language DownSelect If YOU Need Help Programming the TIMER, Call Toll FreeSET Water Hardness Number Hardness NumberSanitize the Water Softener Storage tankAdding Salt to the Storage Tank Water Softening Salt with Iron RemovFaceplate Leci Faceplate Timer FeaturesChange Mode PPMLect Water Flow Through Kenmores Ultra Cleansing FeatureService Water Flow Through Softener in Backwash RegenerationWater Flow Through Softener in Fill Automatic Bypass Water Flow Through Softener in Fast RinseElectronics Salt Bridge Salt Adding to the Storage TANK, Salt BridgeSalt Bridge Iron from Resin BED Keeping the Water Softener CleanCleaning Nozzle & Venturi Protect the Water Softener From FreezingChecklist ... to Help YOU Save Money ProgramSingle Bypass Dimensions / SpecificationsBypass Valves Valve BypassPressure Drop PSI vs. Flow Rate GPM Vance Regeneration Check TroubleshootingMake These Initial Checks First Possible Defect CodeMost Likely Less LikelyHF45 shows Backwash Cycle Flow Rates Gallons PER MINBrining Brine RinseAssembly Rotary Valve ServiceDisassembly Lieve PressureFill Cycle Water Flow Through the Softener Valve Service CycleSection Backwash Cycle Water Flow Through the Softener Valve Fast Rinse CycleRepair Parts for Water Softener NO. Number Water Softener CompleteKEY Part DescriptionInlet Outlet Grounding Clamps Repair Parts for Water Softener Repair Parts for Water Softener Valveassembly Model Valve AssemblyBypass Installation Valve Part DescriptionWater Softeners

625.3888, 625.38888 specifications

The Kenmore 625.38888 and 625.3888 are high-efficiency water softeners that cater to households with diverse water quality needs. Known for their advanced technology and reliable performance, these models are designed to tackle hard water issues while enhancing water quality and extending the lifespan of plumbing appliances.

One of the main features of the Kenmore 625.38888 and 625.3888 is their highly efficient ion-exchange process. This process effectively removes hard minerals such as calcium and magnesium from the water, which helps to prevent scale buildup in pipes, appliances, and fixtures. By softening the water, these models improve the effectiveness of soaps and detergents, leading to cleaner dishes, brighter laundry, and reduced soap scum.

Both models boast a user-friendly digital control panel, which allows homeowners to easily monitor and adjust settings. This digital interface includes features such as a programmable regeneration cycle, which can be set based on water usage patterns. This ensures that the softener operates efficiently and only regenerates as needed, saving salt and water in the process.

Another characteristic worth mentioning is the high-capacity resin tank used in these models. With a robust design, the resin tank can handle larger volumes of water, making it ideal for families or homes with significant water demands. Additionally, the Kenmore 625.38888 and 625.3888 are equipped with a corrosion-proof brine tank, which enhances durability and reduces the risk of leaks or damage over time.

The installation of these water softeners is straightforward, allowing users to have them up and running with minimal hassle. Along with a comprehensive installation guide, these models typically come with essential components needed for hook-up. The compact design ensures that they can fit in smaller spaces without overwhelming the area.

In terms of maintenance, the Kenmore 625.38888 and 625.3888 require minimal upkeep. Regularly checking and refilling the salt in the brine tank ensures optimal functioning, while periodic cleaning of the resin tank maintains efficiency.

In summary, the Kenmore 625.38888 and 625.3888 water softeners provide a reliable solution for hard water challenges. With their efficient ion-exchange technology, user-friendly controls, high-capacity design, and easy installation and maintenance, these models are well-suited for various households looking to enhance their water quality.
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