SERVICE

C. With finger pressure press seat firmly and squarely into cav- ity. See Figure IOA. 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 press-

ing purposes. See Figure'10B.

J. Reposition capacitor and replace motor canopy.

K. Remount diffuser on seal plate.

Cleaning Inlpeller

1.Follow steps 1A through 1E tinder "Disassembly and Assembly of Pump" on Page 7.

2.Remove diffuser and impeller from pump per instructions tinder

"Removing Motor for Service and Replacing Shaft Seal" on Page

7.

3.Clean impeller and reassemble impeller and diffuser per in-

stnictions under "Removing Motor for Service and Replacing Shaft Seal" on pages 7 and 8.

Cleaning

 

Shallow

 

Well

Jet

 

 

 

 

 

 

 

To

remove

 

debtis

from

venturi

or nozzle,

 

proceed

as follows:

1.

Disassemble

pump

per

instructions

on

Page

7.

 

 

2.

Turn

venturi

counterclockwise

 

and

remove

 

it. The

nozzle is

 

now

exposed.

Remove

it using

a 5/8" hex socket wrench with

 

extension.

Turn

counterclockwise.

 

If

socket

wrench

is not avail-

 

able,

insert

an

ice pick

or

similar

pointed

tool carefully into the

 

nozzle. This will dislodge debris.

 

 

 

 

 

 

 

3.Flush out the debris by running water through the nozzle in the

same direction as the dislodging tool was inserted.

4.Reinstall nozzle and venturi. Do not overtighten!

5.Reassembh- _ pump per instructions on Page 7.

FIGURE lOB

4830194

HELPFUL HINTS

How to Handle a Gaseous Well

In some areas well water contains gases which must be allowed to

escape before the water is used. This can be done as shown in

Figure 12.

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 rotating seal member.

H. Slide rotating member on shaft until rubber drive ring hits

shaft shoulder. NOTICE: BE SURE you do not chip or scratch

seal face on shaft shoulder or seal will leak!

I. Screw impeller on shaft (clockwise) while holding shaft with

7/16" open end wrench on shaft flats. This will automatically locate seal in place. See Figure 11.

_seto sudace

Not

tO-valve

Scale

Figure 12

FIGURE I I

 

A good

 

way

of.delivering

 

gas-free

water is to

suspend

a pipe,

closed

 

at

the

bottom

 

:and open

at

the

top, surrounding

the

suction

pipe.

 

Since

the gases

 

rise

in the

well

casing,

the

water

sucked

 

down

 

through

the

pipe

and

into

the

suction

pipe

is

free of gas. This type

 

of

well

 

must

be vented

 

to

the

outside

of

any

enclosure.

 

 

 

Air

Control

 

in

Flowing

Wells

 

 

 

 

 

 

 

 

Flowing

wells,

or

wells

with little

or

no

drawdown,

could

create a

 

special

 

problem

 

in

air

 

control

in

the

operation

of your water

sys-

478 0194

tem.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In such cases, install a Captive Air® Tank. It does not require any

 

air

control.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

Page 7 Page 9
Page 8
Image 8
Craftsman 390.251483, 390.251883 owner manual Helpful Hints, Remove, Through, Flowing
Page 7 Page 9

390.251883, 390.251483 specifications

The Craftsman 390.251883 and 390.251483 are two innovative and reliable devices in the Craftsman lineup, known for their durability and high-performance capabilities. These models are designed to cater to a wide range of consumers, from DIY enthusiasts to professional tradespeople, ensuring that they can handle various tasks efficiently.

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