SAFETY INSTRUCTIONS (Continued)

6. Disconnect electrical power source before installing or working on pump.

7.Ground pump with a ground wire run from grounding

lug on motor to a grounded lead in the service panel.

8.Line voltage and frequency of electrical power supply must agree with motor nameplate.

9.Use of fuses or wire smaller than size recommended in

owner's manual can cause overheating, possible fires, and will void warranty.

TABLE I - Pump Performance (In Gallons per Minute)

NOTE: This system is designed for pumping depths of 20 feet or less.

Pump

 

 

 

Discharge

Pumping Depth in Feet

Model

Description

Suct.

Disch.

Pressure PSI

5'

10'

15'

20'

390.252158

112 HP S.W. Jet

1-1/4"

1"

40

8.2

7.3

6.2

5.0

 

 

 

BASIC TOOLS AND MATERIALS NEEDED

 

Plastic Pipe

Installation

 

 

 

 

 

 

 

Tools

 

 

 

Materials

 

 

 

 

 

Pipe

Wrenches

 

 

 

Plastic

Pipe

and

Fittings (as required to complete job).

 

Screwdriver

 

 

 

 

 

 

 

 

 

 

Knife

or Saw

to Cut

Plastic Pipe

Teflon

Tape

(DO

NOT

use joint compound

on plastic

fittings).

Tire

Pressure

Gauge

 

 

 

 

 

 

 

 

 

Galvanized

Steel

Pipe

Installation

 

 

 

 

 

 

Tools

 

 

 

Materials

 

 

 

 

 

Pipe

Wrenches

 

 

 

Galvanized

Pipe

and Fittings (as required

to complete

job).

Screwdriver

 

 

 

 

 

 

 

 

 

 

Pipe

Cutting

and Threading

Tools

Pipe Joint Compound

or Teflon Tape

 

 

Tire

Pressure

Gauge

 

 

 

 

 

 

 

 

 

MAJOR COMPONENTS

Impeller and Jet

Impeller turns with motor shaft, causing water to fly out

from its rim by centrifugal force. Impeller rotation creates a vacuum which pulls in more water. Part of the water is di- verted back to the jet where it passes through the nozzle and venturi. This creates more vacuum to draw in more water.

In shallow wells (less than 20 feet deep), the vacuum cre-

ated at the pump is_enough to pull water to toe pump.

Therefore, for shallow _-ell use the jet is built into the pump.

Pre-Charged Tank

The tank serves two functions, it provides a reservoir of

water under pressure and maintains a cushion of air pres-

sure to prevent pipe hammering and possible damage to

plumbing components. When water is drawn off through

the house fixtures, the pressure in the tank is lowered and the pump starts.

AND WHAT THEY DO

Pressure Switch

The pressure switch provides for automatic operation.

Pump starts when pressnre drops to 40 pounds and stops when pressure reaches 60 pounds.

Check Valve or Foot Valve

This pump is equipped with a built-in check valve. Install a

check valve as close to well as possible o_ well point in- stallations. A foot valve must be installed in the well on dug or cased wells. See Figures ZA and 2B, Page 4. For long hor- izontal pipe runs, install check valve as close to well as pos- sible (all types of wells).

3

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Sears 390.252158 owner manual Basic Tools and Materials Needed, Major Components, What They do
Page 2 Page 4

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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