Kenmore 625.39376 Rotary Valve Service, To Relieve Pressure, Disassembly, Servicing the Valve

Page 39

Service Tech Information

ROTARY VALVE SERVICE

IMPORTANT: Before working on the valve, turn off the water supply and disconnect from electrical power.

TO RELIEVE 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 com- pletely disassemble.

SERVICING THE VALVE

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

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 position. Lubricate ALL o-rings and seals with FDA approved sili- cone grease. To install the rotor seal, first place the seal into the valve groove, rounded side down (see cross-sec- tion). Apply a light coating of silicone grease to the seal’s crossing ribs. Then, carefully 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.

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

Then, turn the rotor (clockwise only) to service position. Tighten the screws using a criss-cross pattern. If a torque wrench is available, torque to 30-40 inch pounds. Do not over tighten.

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 screws

Motor

Motor plate screws

 

Motor Plate

 

Bearing

Switch

Cam & Gear

O-Ring Seals

O-Ring

Wear-Strip

Wave Washer

bearing, wave washer

Rotor & Disc

Seal

Rotor Seal

Drain Seal

Nozzle & Venturi Seal

Sensor

Housing

See Nozzle

Assembly Service

FIG. 66

Questions? Call The Kenmore Water Line 1-800-426-9345

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Contents Save this Manual Repair or Parts ? Call toll freeDisclaimer of implied warranties limitation of remedies ONE Year Limited Warranty on Water SoftenerThree Year Limited Warranty on Electronic Parts TEN Year Limited Warranty Against LeaksFacts and Figures to Keep Table of ContentsSafety Guides Inspect Shipment Unpack and Check Your CartonParts Descriptions Small PartsTools Needed Plan Your InstallationProper Order to Install Water Treating Equipment Plan Your InstallationSoft, Hot Where to Install the Water SoftenerDraw in Your Pipes and Fittings Suggested Slab Foundation InstallationPIPE, FITTINGS, Other Materials Needed OUTRead Before Beginning Installation Before Installing Checks & TestsAssemble Drain Port Elbow Inlet and Outlet Threaded Adaptors Install Plastic Bypass ValveAssemble Inlet Outlet ADAPTORS, or Plastic Bypass Valve Bypass ValveValve Bypass Install 3-Valve BypassInstalling Holding Clips Installing 3 Valve Bypass and PipesPosition Softener Into Place Locate Water Softener and Connect PipesMove Softener Into Place Typical Soldering ConnectionsConnect Valve and Salt Tank Drains Connect the Valve Drain HoseConnect Salt Tank Overflow Tubing Leak Test Leak TestHouse Main Water Shutoff Valves Single BypassCold Water Pipe Grounding Water Meter Jumper WireConnecting Transformer Electrical RequirementsProgram the Timer Install Covers and Restart Water HeaterProgram The Timer Install CoversSET Present Time of DAY SET Water Hardness NumberSET Regeneration Time Sanitize The Water Softener Sanitize the Water SoftenerSanitize Your Water Softener AS Follows Adding Salt To The Storage Tank Adding Salt to the Storage TankWater Softening Salt with Iron Removing Additives Check List Check List of STEP-BY-STEP Guides to InstallFaceplate Timer Features Gallons / Liters Maximum Days Between Regenerations Tank Light Gallon or Liter readings Water usage and flow disMaximum days between regenerstions The face Program Memory Recharge Time Remaining and Valve Position IndicatorsError Code KENMORE’S Ultra Cleansing FeatureWater Flow Through Softener in Fill Water Flow Through Softener in ServiceSoft Water Service and Regeneration How Your Water Softener WorksWater Flow Through Softener in Backwash Water Flow Through Softener Brining and Brine RinseWater Flow Through Softener Fast Rinse Automatic BypassElectronics Care Of Your Water Softener Salt BridgeSalt Bridge Keeping the Water Softener Clean Iron from Resin BEDNozzle & Venturi Protect the Water Softener from Freezing Drain ALL Water from SoftenerChecklist to Help YOU Save Money Problem Cause CorrectionInches SpecificationsModel 383760 Timer Code H Model 393760 Timer Code H Bypass ValvesOther Specifications Always Make These Initial Checks First Service Tech InformationWiring Schematic FaceplateProcedure for Removing Error Code from Faceplate Manual Initiated Electronics DiagnosticsPossible Defect Code Timer PWA Replacement Troubleshooting Valve Position IndicatorsBrine Valve Float Setting Manual Advance Regeneration CheckCycle Flow Rates Gallons PER MIN To Relieve Pressure Rotary Valve ServiceDisassembly AssemblyWater Flow Through the Softener Valve Service Cycle Fill CycleBrining and Brine Rinse Cycle Fast Rinse Cycle Water Flow Through the Softener Valve Backwash CycleFast Rinse Cycle Backwash CycleExploded View Parts List Water Softener CompletePart Number Part Description Inlet Outlet Grounding Clamps Brine Valve Assembly Wear-Strip Seal Cross-Section View Key Part Number Part Description Get it fixed, at your home or ours
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625.39376, 625.38376 specifications

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