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Craftsman SEARS 390.251483 Owner's Manual page 2

Shallow well jet pump

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READ AND FOLLOW
SAFETY INSTRUCTIONS!
This is the ,safety alert symbol.
When you see this sTmbol
on your
pump
or in this manual, look for one of the following
signal words
and be alert to the potemial
for personal
injury:
DANGER
warns
about
hazards
that will
cause
serious
personal
injury,
death or major
property
damage
L_ignored.
WARNING
warns
about
hazards
that will
or can
cause
serious
personal
injury., death
or major
property
damage
if ignored.
CAUTION
warns
about
hazards
that will or can cause
minor per-
sonal injury or property
damage
if ignored.
The label NOTICE
indicates
special
instructions
which
are im-
portant
but not related
to hazards.
Carefully
read
and
follow
all safety
instructions
in this
manual
and on
pump.
Keep safety labels in good condition.
Replace
missing
or damaged
safety
labels.
Relief valve must
be capable
of passing
full pump
flow at 75 PSI.
Pump
water
only with
this pump.
Electrical Safety
WARNING
Hazardous voltage.
Can shock, burn, or
cause death.
Ground pump before
connecting to power
supply.
Wire
motor
for correct
voltage.
See "Electrical"
section
of this
manual
and
motor
nameplate.
Ground
motor
before
connecting
to power
supply.
Meet
National
Elect-
rical
Code
and
local
codes
for all wiring.
Follow
wiring
instruc-
tions
in this
manual
when
connecting
mo-
tor to power
lines.
Make workshop_
childproof;
use padlocks
and master
switches;
remove
starter
keys.
General Safety
Do not allow
pump,
pressure
tank,
piping,
or any other
system
component
containing
water
to freeze.
Freezing
may damage
sys-
tem, leading
to injury or flooding.
Allowing
pump
or system
com-
ponents
t_ freeze
will void warranty.
General
Safety
WARNING I
Hazardous pressure!
Install pressure relief
valve in discharge pipe.
Release all pressure on
system before working on
any component.
Periodically
inspect
pump
and system
components.
Wear safety #asses
at all times
when
working
on pumps.
Keep
work
area clean,
uncluttered
and propedy
lighted;
store
properly
all unused
tools and equipment.
Keep visitors
at a safe distance
from the work
areas.
[_l_ WARNING]
Pump
body
may explode
if'used
as a booster
pump
unless
relief
valve
capable
of passing
full pump
flow
at 75 PSl (517
kPa)
is installed.
CAUTION_ Motor
normally
operates
at high temperature
and
will be too hot to touch.
It is protected
t_'om heat damage
during
operation
by an automatic
internal
cut oiff'switch.
Before handling
pump
or motor,
stop motor
and allow
it tO cool
for 20 minutes.
TABLE I - Pump Performance
(In
Gallons per
Minute)
Model
Discharge
Pumping Depth in Feet
No.
Description
Suct.
Disch.
Pressure PSI
5'
10'
15'
20'
390.251483
1/2 HP S.W. Jet
1-1/4"
1"
40
8.2
7.3
5.2
5.0
390.251883
3/4 HP S.W. Jet
1-1/4"
1"
40
10.9
10.4
8.6
7.5

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