SECTION 5

SERVICE TECH. INFORMATION

II

5B.ROTARY VALVE SERVICE

Before

working

on the

valve,

turn

off

the water

to SERVICE position.

Tighten

the screws

using a

supply

and disconnect

from

electrical

power.

criss-cross

pattern.

If a torque

wrench

is

available,

 

 

 

 

 

 

 

torque to

30-40 inch

pounds.

 

 

 

TO RELIEVE PRESSURE:

-3 VALVE BYPA,_S.. Close the inlet valve and (;)pen a soft water faucet. Then close the outlet valve and

(:)pen the bypass valve.

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

-,fEARS SPE(3AL 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.

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 (:)-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 ()-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 ()-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)

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

switch

{_

"-"-'>_'_._

 

 

_._.._....

_,_/_

& gear

 

 

alve cam

 

 

• _..._

 

flow plug (backwash and fast rinse flow

rate control)

rotor & disc

SEE NOZZLE

o-ring

 

 

 

 

 

ASSEMBLY

 

wear strip

 

 

SERVICE,

 

€

 

 

 

 

 

 

SECTION

3

rotor

seal

 

 

 

 

drain

seal

 

 

nozzle

&

 

 

venturi

seal

23

Page 54 Page 56
Page 55
Image 55
Sears 625.34842 owner manual Service TECH. Information 5B.ROTARY Valve Service
Page 54 Page 56

625.34842 specifications

The Sears 625.34842 is a versatile and powerful tool that has garnered attention for its innovative features and practicality. Primarily designed for both home and light professional use, this model boasts a range of applications that cater to various needs, making it an essential addition to many households.

One of the standout features of the Sears 625.34842 is its user-friendly design, which ensures that both novices and seasoned users can operate it with ease. The ergonomic handle provides a comfortable grip and reduces fatigue during extended use, while the compact size allows for efficient storage and portability. This design aspect emphasizes convenience, making it suitable for DIY projects and routine maintenance tasks around the home.

In terms of performance, the Sears 625.34842 is equipped with a robust motor that delivers consistent power and reliability. It is capable of handling a variety of tasks, ranging from light-duty operations to more demanding jobs. This flexibility is a significant advantage for users who prefer a multipurpose tool without the need for multiple devices.

Another key characteristic of this model is its advanced safety features. The integrated safety mechanisms protect the user from accidental starts and ensure safe operation. This makes it an excellent choice for families, providing peace of mind to users concerned about safety while using power tools.

The Sears 625.34842 also incorporates innovative technology that enhances its functionality. One notable aspect is its adjustable speed settings, allowing users to tailor the tool's performance to suit different materials and requirements. This adaptability ensures optimal results, whether working with wood, metal, or other surfaces.

Additionally, the tool features a quick-change system for attachments, enabling users to switch between various accessories seamlessly. This feature not only saves time but also enhances efficiency for tasks that require different tools within the same project.

Overall, the Sears 625.34842 is a well-designed, reliable, and versatile tool that meets a wide range of user needs. With its combination of performance, safety, and convenience, it stands out as a valuable asset for both homeowners and DIY enthusiasts alike. Whether for simple repairs or more complex projects, the Sears 625.34842 offers an impressive solution that caters to an array of applications.
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