MAINTENANCE

4. Place back half of pump on flat surface and tap out ce-

I. Screw impeller

on shaft

(clockwise)

while

holding

ramic seat. See Figure 6.

shaft

with 7/16"

open end

wrench on

shaft

flats. This

 

will

automatically

locate

seal in place.

See Figure 8.

4790t94

Figure 6

5.Clean seal cavity.

6.Install new seal.

A.Clean polished surface of ceramic seat with clean cloth.

B.Wet outer edge of "O" Ring with detergent solution.

C.With finger pressure press seat firmly and squarely into cavity. See Figure 7A. Polished face of seat faces inside of pump. If seat will not locate properly, place

cardboard washer over polished face and use piece of

3/4" standard pipe for pressing purposes. See Figure 7B.

478 0194

Figure 8

J. Remount diffuser on seal plate.

Cleaning Impeller

1. Follow steps 1A through 1E under "Disassembly and Assembly of Pump _ on Page 8.

2.Remove diffuser and impeller from pump per instruc- tions under "Removing Motor for Service and Replacing Shaft Seal" on Page 8.

3.Clean impeller and reassemble impeller and diffuser per

instructions under "Removing Motor for Service and Replacing Shaft Seal" on Pages 8 and 9.

483 0194

Figure 7A

Figure 7B

D. Dispose of cardboard washer and clean surface of seat.

E. Clean motor shaft.

F. Reassemble back half of pump to motor.

G. Apply detergent solution to inside diameter of rotat- ing seal member.

H. Slide rotating member on shaft tmtil rubber drive ring

hits shaft shoulder. NOTICE: BE SURE you do not chip or scratch seal face on shaft shoulder or seal will leak!

Cleaning Shallow Well Jet

To remove debris from venturi or nozzle, proceed as fol- lows:

1.Disassemble pump per instructions on Page 8.

2.Turn venturi counterclockwise and remove it. The noz-

zle is now exposed. Remove it using a 5/8" hex socket

wrench with extension. Turn counterclockwise. If socket wrench is not available, insert an ice pick or sim- ilar pointed tool carefully into the nozzle. This will dis- lodge debris.

3.Flush out the debris by running water through the noz-

zle in the same direction as the dislodging tool was in- serted.

4.Reinstall nozzle and venturi. Do not ove.rtighten_

5.Reassemble pump per instructions on Pages 8 and 9.

9

Page 8 Page 10
Page 9
Image 9
Sears 390.252158 owner manual Cleaning Impeller, Cleaning Shallow Well Jet
Page 8 Page 10

390.252158 specifications

The Sears 390.252158 is a remarkable all-in-one home entertainment system that encapsulates the essence of mid-20th century design and functionality. Aimed at providing users with an exceptional listening and viewing experience, this model stands out for several key features and technologies that reflect the era's innovations.

One of the defining characteristics of the Sears 390.252158 is its integrated turntable, which allows users to play vinyl records with ease. The turntable boasts a direct-drive motor that ensures stable rotation, minimizing wow and flutter, thus delivering smooth playback. Alongside the turntable, the system includes a cassette deck capable of recording, which not only lets users play their favorite tapes but also offers the convenience of recording from various sources.

Another significant feature of the 390.252158 is its AM/FM radio tuner. It is equipped with a multi-band receiver that provides excellent reception quality, allowing enthusiasts to tune into diverse radio stations with clarity. The analog dial adds a retro touch and makes it easy to find and lock onto the desired frequency.

Sound quality is a focal point of the Sears 390.252158. The system is powered by an integrated amplifier that delivers robust audio performance, complemented by stereo speakers that fill the room with rich sound. The balance and tone controls allow users to adjust the audio output to match their preferences, making it a versatile choice for different music genres.

In terms of build quality, the Sears 390.252158 features a polished wooden cabinet, which not only enhances its aesthetic appeal but also contributes to the acoustics by reducing unwanted vibrations. The design embodies a classic and timeless look that fits seamlessly into various home decor styles, from vintage to contemporary.

Modern technologies like stereo sound are incorporated into the Sears 390.252158, elevating the listening experience. The system enables users to connect additional audio sources, making it suitable for various entertainment options, such as streaming music from devices or connecting external speakers.

In summary, the Sears 390.252158 is an iconic home entertainment system that combines classic design with modern features. Its integrated turntable, cassette deck, quality radio tuner, and powerful amplification create a comprehensive audio experience that continues to resonate with music lovers. The thoughtful combination of aesthetics and functionality ensures that this model remains a cherished centerpiece in any home setting.
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