Kenmore 625.348420 Service TECH. Information 5B.ROTARY Valve Service, Disassembly, Assembly

Models: 625.348420

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SECTION 5

SERVICE TECH. INFORMATION

5B.ROTARY VALVE SERVICE

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 the 3 hex head screws (see A in drawing) toward the backside of the valve to allow pressure water to bleed out. Catch the water with a rag.

to SERVICE position. Tighten the screws using a criss/cross pattern. If a torque wrench is available, torque to 30/40 inch pounds.

Lubricate the gear on the motor, and the valve cam gear with Molykote grease, or other high quality gear lubricant.

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

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 defects.

Inspect the bottom surface of the rotor and disc 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 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, 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 2 o/rings and the wave washer onto the rotor and disc. Then center the rotor and disc, 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)

switch

SEE NOZZLE

ASSEMBLY

wear strip

SERVICE,

seal

SECTION 3

 

 

cross±section

 

view

valve cam & gear

flow plug (backwash

and fast rinse flow

rate control)

rotor & disc

o±ring

rotor seal

drain seal

nozzle & venturi seal

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Kenmore 625.348420 Service TECH. Information 5B.ROTARY Valve Service, Disassembly, Servicing the Valve, Assembly

625.348420 specifications

The Kenmore 625.348420 is a well-regarded air cleaner designed to enhance indoor air quality in various living spaces. This versatile air purifier embodies several advanced features and technologies, making it an excellent choice for those seeking to reduce allergens, dust, and other pollutants in their home environment.

One of the standout features of the Kenmore 625.348420 is its multi-stage filtration system. This includes a HEPA (High-Efficiency Particulate Air) filter that is designed to capture 99.97% of dust, pollen, pet dander, and other tiny particles as small as 0.3 microns. This makes it especially beneficial for allergy sufferers and individuals with respiratory issues. Additionally, the unit features a pre-filter that helps to prolong the life of the HEPA filter by capturing larger particles, which ultimately contributes to its efficiency.

The air cleaner is also equipped with a carbon filter, which works to neutralize odors from cooking, pets, and smoke. This is particularly important for maintaining a fresh indoor atmosphere, especially in homes with pets or in apartments where cooking smells can linger. The combination of these filters makes the Kenmore 625.348420 particularly effective in providing a comprehensive air purification solution.

In terms of operation, the Kenmore 625.348420 boasts user-friendly controls, typically including multiple fan speeds to customize airflow according to room size or air quality conditions. Many models come with a timer function, allowing users to set the purifier to operate at specific intervals, thus saving energy when not needed.

Another key characteristic of this air purifier is its quiet operation. It is designed to function silently, making it suitable for bedrooms and nurseries without disrupting sleep.

Portability is another advantage of the Kenmore 625.348420, as it is generally lightweight and compact, allowing users to move it easily from room to room as needed. Some models may also have built-in handles for added convenience.

Overall, the Kenmore 625.348420 stands out in the market of air purifiers with its effective multi-stage filtration system, user-friendly design, and quiet operation. This makes it an excellent investment for anyone looking to improve their home's air quality while maintaining a comfortable and clean living environment.